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The '''Citation''' template generates a citation for a book, periodical, contribution in a collective work, or a web page. It determines the citation type by examining which parameters are used. As with other citation templates, this template can be used either in a footnote (between {{tag|ref}} tags) or in a section that lists sources. This template uses the same [[WP:Lua|Lua]] code as [[help:Citation Style 1|citation style 1 (CS1)]] templates with parameters to change the displayed format to [[help:Citation Style 2|citation style 2 (CS2)]].

If the correct parameters are used, this template produces output identical to that of the Cite templates, such as {{Tl|Cite book}} and {{Tl|Cite web}}, with one important exception: By default, this Citation template uses commas in places where the Cite templates use periods (full stops) by default; either type of template can use periods (full stops) or commas by using an optional parameter. Also, this template by default generates anchors for [[Harvard reference]]s whereas the Cite templates by default do not (although they can be made to do so).

Regardless of which citation templates are used or even if none are used at all, all citations should have the same format throughout an article in the saved, rendered text.

Note: All parameter names must be [[lowercase]].

==Simple citations==
This section covers the most commonly used parameters. You can copy the horizontal form or vertical form below and then add in extra parameters from the full list. Spacing and ordering of the parameters within the template is irrelevant and does not affect the final, rendered text.

<code><nowiki>{{Citation |last= |first= |year= |title= |publisher= |publication-place= |page= |url= |accessdate= }}</nowiki></code>

{| class="wikitable"
|-
| <pre>{{Citation
| last =
| first =
| year =
| title =
| publisher =
| publication-place =
| page =
| url =
| accessdate =
}}</pre>
|}
* '''last''': The author's surname or last name. Don't use with the '''author''' parameter.
* '''first''': The author's first or given name(s).
* '''year''': Year of authorship or publication. Mandatory for use with links from [[:Template:Harvard citation]], unless {{para|date}} specifies both month and year.
* '''title''': Title of the work. Mandatory for web references.
* '''publisher''': The name of the publisher. Omit terms such as ''Publishers'', ''Co.'', ''Inc.'', ''Ltd.'', etc., but retain the words ''Books'' or ''Press''. Not normally included where the publication is a periodical which has its own Wikipedia article (e.g. ''[[Newsweek]]'', ''[[Billboard (magazine)|Billboard]]'').
** '''publication-place''' (or '''place''' or '''location'''): The city of publication. If more than one town/city is listed on the title page, give the first one or the location of the publisher's head office. Omit when the publication is a periodical whose name specifies the location (e.g. ''The New York Times'', ''The Times of India'')
* '''page''': For use when one page is cited. Adds "p." before the page number. Do not use with '''pages'''.
* '''url''': A [[Uniform resource locator|url]] of an online location where the item can be found. If the url includes double quotes, these must be encoded as "%22".
** '''accessdate''': Date<ref group = "n" name = "dates" /> when the url was accessed.

===Example===
{| class="wikitable"
|-
| <pre>{{Citation
| last = Turner
| first = Orsamus
| title = History of the pioneer settlement of
Phelps and Gorham's purchase, and Morris' reserve
| publisher = William Alling
| place = Rochester, New York
| year = 1851
| ol = 7120924W
}}
</pre>
| {{Citation
| last = Turner
| first = Orsamus
| title = History of the pioneer settlement of Phelps and Gorham's purchase, and Morris' reserve
| publisher = William Alling
| place = Rochester, New York
| year = 1851
| ol = 7120924W
}}
|}

==Full citation parameters==
These can be used for all types of publication. All are optional and indentation is used simply to group related items&nbsp;— these may be mutually exclusive where indicated. Some hyphenated names can also be placed without hyphens.

{| class="wikitable"
|-
| <pre>{{Citation
| author =
| last =
| first =
| author2 =
| last2 =
| first2 =
| author-link =
| author2-link =
| author-separator =
| author-name-separator =
| author-mask =
| display-authors =
| editor =
| editor-last =
| editor-first =
| editor2 =
| editor2-last =
| editor2-first =
| editor-link =
| editor2-link =
| translator-last =
| translator-first =
| translator-link =
| translator2-last =
| translator2-first =
| translator2-link =
| others =
| publication-date =
| date =
| year =
| origyear =
| title =
| chapter =
| chapter-url =
| chapter-format =
| contribution =
| contribution-url =
| type =
| journal =
| periodical =
| newspaper =
| magazine =
| encyclopedia =
| work =
| edition =
| series =
| volume =
| issue =
| publisher =
| publication-place =
| place =
| language =
| page =
| pages =
| nopp =
| at =
| id =
| isbn =
| issn =
| oclc =
| pmid =
| pmc =
| bibcode =
| doi =
| doi-inactive-date=
| zbl =
| url =
| accessdate =
| format =
| archiveurl =
| archivedate =
| dead-url =
| quote =
| layurl =
| laysource =
| laydate =
| separator =
| postscript =
| ref =
}}
</pre>
|}

==Parameters==
===Syntax===
{{csdoc|syntax|lua=yes}}

{{csdoc|sep_comma|lua=yes}}

===COinS===
{{csdoc|coins|lua=yes}}

===Deprecated===
{{csdoc|deprecated|lua=yes}}

===Description===
====Authors====
{{csdoc|author|lua=yes||contributor=yes|others=yes}}

====Editors====
{{csdoc|editor|lua=yes}}

====Title====
{{csdoc|title|lua=yes|title_format=italics}}
{{csdoc|chapter|lua=yes}}
{{csdoc|type|lua=yes}}
{{csdoc|language|lua=yes}}

====Date====
{{csdoc|date|lua=yes}}

====Periodical====
{{csdoc|journal|lua=yes}}

====Publisher====
{{csdoc|publisher|lua=yes}}

====Edition, series, volume====
{{csdoc|edition|lua=yes}}
{{csdoc|series|lua=yes}}
{{csdoc|volume|lua=yes}}

====In-source locations====
{{csdoc|pages|lua=yes}}

====URL====
{{anchor|url}}{{csdoc|url}}

====Chapter URL====
{{anchor|chapterurl}}{{csdoc|chapterurl|lua=yes}}

====Anchor====
{{csdoc|ref2|lua=yes}}

====Identifiers====
{{anchor|id1}}{{csdoc|id1|lua=yes}}
{{anchor|id2}}{{csdoc|id2|lua=yes}}

====Quote====
{{csdoc|quote|lua=yes|cs2=yes}}

====Laysummary====
{{csdoc|lay|lua=yes}}

====Display options====
{{csdoc|display|lua=yes|cs2=yes}}

====Subscription or registration required====
{{csdoc|registration|lua=yes}}

==Examples==
===Books===
{| class="wikitable"
|-
| Three authors, a volume, and an edition. Ampersand (&amp;) forced before final author's name.
| <pre>{{Citation
| last1 = Lincoln
| first1 = A.
| last2 = Washington
| first2 = G.
| last3 = Adams
| first3 = J.
| lastauthoramp = yes
| title = All the Presidents' Names
| publisher = The Pentagon
| place = Home Base, New York
| volume = XII
| edition = 2nd
| year = 2007
}}
</pre>
| {{Citation
| last1 = Lincoln
| first1 = A.
| last2 = Washington
| first2 = G.
| last3 = Adams
| first3 = J.
| lastauthoramp = yes
| title = All the Presidents' Names
| publisher = The Pentagon
| place = Home Base, New York
| volume = XII
| edition = 2nd
| year = 2007
}}
|}

===Web===
{| class="wikitable"
|-
| Web page
| <pre>{{Citation
| url = http://nrhp.focus.nps.gov/
| title = NPS Focus
| work = National Register of Historic Places
| publisher = [[National Park Service]]
| accessdate = November 30, 2010
| ref = none
}}
</pre>
| {{Citation
| url = http://nrhp.focus.nps.gov/
| title = NPS Focus
| work = National Register of Historic Places
| publisher = [[National Park Service]]
| accessdate = November 30, 2010
| ref = none
}}
|-
| Archived page
| <pre>{{Citation
| url = http://liftoff.msfc.nasa.gov/academy/space/atmosphere.html
| title = Earth's Atmosphere
| accessdate = October 25, 2007
| publisher = [[National Aeronautics and Space Administration]]
| year = 1995
| author = NASA
| archiveurl = https://web.archive.org/web/20071013232332/http://
liftoff.msfc.nasa.gov/academy/space/atmosphere.html
| archivedate = October 13, 2007
}}
</pre>
| {{Citation | url = http://liftoff.msfc.nasa.gov/academy/space/atmosphere.html | title = Earth's Atmosphere | accessdate = October 25, 2007 | publisher = [[National Aeronautics and Space Administration]] | year = 1995 | author = NASA | archiveurl = https://web.archive.org/web/20071013232332/http://liftoff.msfc.nasa.gov/academy/space/atmosphere.html | archivedate = October 13, 2007}}
|}

===Journals, newspapers, magazines, or other periodicals===
{| class="wikitable"
|-
| Journal article
| <pre>{{Citation
| last = Hill
| first = Marvin S.
| title = Joseph Smith and the 1826
Trial: New Evidence and New
Difficulties
| journal = BYU Studies
| volume = 12
| issue = 2
| year = 1976
| pages = 1–8
| url = https://byustudies.byu.edu/shop/PDFSRC/12.2Hill.pdf
}}
</pre>
| {{Citation
| last = Hill
| first = Marvin S.
| title = Joseph Smith and the 1826 Trial: New Evidence and New Difficulties
| journal = BYU Studies
| volume = 12
| issue = 2
| year = 1976
| pages = 1–8
| url = https://byustudies.byu.edu/shop/PDFSRC/12.2Hill.pdf
}}
|-
| Journal article with multiple authors and identifier
| <pre>{{Citation
| last1 = Mandelkern
| first1 = M,
| last2 = Elias
| first2 = J,
| last3 = Eden
| first3 = D,
| last4 = Crothers
| first4 = D
| display-authors = 2
| title = The dimensions of DNA in solution
| journal = J Mol Biol
| volume = 152
| issue = 1
| pages = 153–161
| year = 1981
| pmid = 7338906
| doi = 10.1016/0022-2836(81)90099-1
}}
</pre>
| {{Citation
| last1 = Mandelkern
| first1 = M,
| last2 = Elias
| first2 = J,
| last3 = Eden
| first3 = D,
| last4 = Crothers
| first4 = D
| display-authors = 2
| title = The dimensions of DNA in solution
| journal = J Mol Biol
| volume = 152
| issue = 1
| pages = 153–161
| year = 1981
| pmid = 7338906
| doi = 10.1016/0022-2836(81)90099-1
}}
|-
| Newspaper article
| <pre>{{Citation
| last = Smith
| first = Joseph III
| author-link = Joseph Smith III
| title = Last Testimony of Sister Emma
| newspaper = The Saints' Herald
| publication-place = Plano, IL
| volume = 26
| issue = 19
| date = October 1, 1879

| page = 289
| url = http://www.sidneyrigdon.com/dbroadhu/
IL/sain1872.htm#100179
}}
</pre>
| {{Citation
| last = Smith
| first = Joseph III
| author-link = Joseph Smith III
| title = Last Testimony of Sister Emma
| newspaper = The Saints' Herald
| publication-place = Plano, IL
| volume = 26
| issue = 19
| date = October 1, 1879

| page = 289
| url = http://www.sidneyrigdon.com/dbroadhu/IL/sain1872.htm#100179
}}
|}
===Conference papers and public lectures===
{| class="wikitable"
|-
| Conference paper
| <pre>{{Citation
| last = Sullivan
| first = D.B.
| contribution = Time and frequency measurement
at NIST: The first 100 years
| year = 2001
| title = 2001 IEEE Int'l Frequency Control Symp.
| publisher = National Institute of Standards and Technology
| contribution-url = http://tf.nist.gov/timefreq/general/pdf/1485.pdf
| chapter-format = PDF
}}
</pre>
| {{Citation
| last = Sullivan
| first = D.B.
| contribution = Time and frequency measurement at NIST: The first 100 years
| year = 2001
| title = 2001 IEEE Int'l Frequency Control Symp.
| publisher = National Institute of Standards and Technology
| contribution-url = http://tf.nist.gov/timefreq/general/pdf/1485.pdf
| chapter-format = PDF}}
|-
| Lecture
| <pre>{{Citation
| last = Habicht
| first = Christian
| contribution = Hellenistic Athens and her Philosophers
| year = 1988
| title = David Magie Lecture, Princeton University Program in the History, Archaeology, and Religions of the Ancient World
| publisher = Princeton University
| page=14
}}
</pre>
|{{Citation
| last = Habicht
| first = Christian
| contribution = Hellenistic Athens and her Philosophers
| year = 1988
| title = David Magie Lecture, Princeton University Program in the History, Archaeology, and Religions of the Ancient World
| publisher = Princeton University
| page=14
}}
|}

===Parts of books, including encyclopedia articles===
{| class="wikitable"
|-
|Manuscript published in an edited compilation
|<pre>{{Citation
| last = Bidamon
| first = Emma Smith
| author-link = Emma Hale Smith
| chapter = Letter to Emma S. Pilgrim
| date = March 27, 1876
| editor-last = Vogel
| editor-first = Dan
| title = Early Mormon Documents
| volume = 1
| publisher = Signature Books
| publication-date = 1996
| isbn = 1-56085-072-8
}}
</pre>
| {{Citation
| last = Bidamon
| first = Emma Smith
| author-link = Emma Hale Smith
| chapter = Letter to Emma S. Pilgrim
| date = March 27, 1876
| editor-last = Vogel
| editor-first = Dan
| title = Early Mormon Documents
| volume = 1
| publisher = Signature Books
| publication-date = 1996
| isbn = 1-56085-072-8
}}
|-
| Work with an editor but no author
| <pre>{{Citation
| editor-last = Vogel
| editor-first = Dan
| title = Early Mormon Documents
| volume = 1
| publisher = Signature Books
| publication-date = 1996
| isbn = 1-56085-072-8
}}
</pre>
| {{Citation
| editor-last = Vogel
| editor-first = Dan
| title = Early Mormon Documents
| volume = 1
| publisher = Signature Books
| publication-date = 1996
| isbn = 1-56085-072-8
}}
|-
| Encyclopedia article by a named author
| <pre>{{Citation
| last = Kramer
| first = Martin
| author-link = Martin Kramer
| year=1999
| title = Bernard Lewis
| editor-last = Boyd
| editor-first = Kelley
| encyclopedia = Encyclopedia of Historians and Historical Writing
| volume = 1
| pages = 719–720
| location = London
| publisher = Fitzroy Dearborn
| url = http://www.geocities.com/martinkramerorg/BernardLewis.htm
}}
</pre>
| {{Citation
| last = Kramer
| first = Martin
| author-link = Martin Kramer
| year = 1999
| title = Bernard Lewis
| editor-last = Boyd
| editor-first = Kelley
| encyclopedia = Encyclopedia of Historians and Historical Writing
| volume = 1
| pages = 719–720
| location = London
| publisher = Fitzroy Dearborn
| url = http://www.geocities.com/martinkramerorg/BernardLewis.htm
}}
|-
| Encyclopedia article with no named author
| <pre>{{Citation
| title = Bernard Lewis
| editor-last = Boyd
| editor-first = Kelley
| year = 1999
| encyclopedia = Encyclopedia of Historians
and Historical Writing
| volume = 1
| pages = 719–720
| publisher = Fitzroy Dearborn
| location = London
| url = http://www.geocities.com/martinkramerorg/BernardLewis.htm
}}
</pre>
| {{Citation
| title = Bernard Lewis
| editor-last = Boyd
| editor-first = Kelley
| year = 1999
| encyclopedia = Encyclopedia of Historians and Historical Writing
| volume = 1
| pages = 719–720
| location = London
| publisher = Fitzroy Dearborn
| url = http://www.geocities.com/martinkramerorg/BernardLewis.htm
}}
|}

===Republications, or edited quotations in a periodical article===
{| class="wikitable"
|-
| Manuscript edited and published in a journal
| <pre>{{Citation
| last = Knight
| first = Joseph, Sr.
| year = 1833
| editor-last = Jessee
| editor-first = Dean
| title = Joseph Knight's Recollection
of Early Mormon History
| journal = BYU Studies
| volume = 17
| issue = 1
| publication-date = 1976
| page = 35
| url = https://byustudies.byu.edu/shop/PDFSRC/17.1Jessee.pdf
}}</pre>
| {{Citation
| last = Knight
| first = Joseph, Sr.
| year = 1833
| editor-last = Jessee
| editor-first = Dean
| title = Joseph Knight's Recollection of Early Mormon History
| journal = BYU Studies
| volume = 17
| issue = 1
| publication-date = 1976
| page = 35
| url = https://byustudies.byu.edu/shop/PDFSRC/17.1Jessee.pdf
}}
|-
| Manuscript written at one date and place, then published in a periodical at a different date and place with commentary by the editor.
| <pre>{{Citation
| last = Klingensmith
| first = Philip
| type = Affidavit
| date = September 5, 1872
| place = Lincoln County, Nevada
| title = Mountain Meadows Massacre
| editor-last = Toohy
| editor-first = Dennis J.
| journal = Corinne Daily Reporter
| publication-date = September 24, 1872
| publication-place = Corinne, Utah
| volume = 5
| issue = 252
| page = 1
| url = http://udn.lib.utah.edu/u?/corinne,5359
}}
</pre>
| {{Citation
| last = Klingensmith
| first = Philip
| type = Affidavit
| date = September 5, 1872
| place = Lincoln County, Nevada
| title = Mountain Meadows Massacre
| editor-last = Toohy
| editor-first = Dennis J.
| journal = Corinne Daily Reporter
| publication-date = September 24, 1872
| publication-place = Corinne, Utah
| volume = 5
| issue = 252
| page = 1
| url = http://udn.lib.utah.edu/u?/corinne,5359
}}
|}

===Press release===
{| class="wikitable"
|-
| Press release with quotation
| <pre>{{Citation
| url = https://www.apple.com/pr/library/2010/04/05ipad.html
| title = Apple Sells Over 300,000 iPads First Day
| publisher = Apple Inc
| accessdate = April 10, 2010
| quote = in the US as of midnight Saturday, April 3
| ref = none}}
</pre>
| {{Citation
| url = https://www.apple.com/pr/library/2010/04/05ipad.html
| title = Apple Sells Over 300,000 iPads First Day
| publisher = Apple Inc
| accessdate = April 10, 2010
| quote = in the US as of midnight Saturday, April 3
| ref = none}}
|}

==Anchored citations==
This template can generate a citation that can be combined with [[WP:CITESHORT|shortened footnotes]] or [[Wikipedia:Parenthetical referencing|parenthetical referencing]]. It does this by creating an [[HTML element#Anchor|HTML anchor]] containing an ID. The special parameter {{para|ref|harv}} generates an ID suitable for [[Harvard referencing]] templates such as {{tl|harv}} as specified in the next section; this is the default for the {{tl|citation}} template.

To disable anchor generation, specify {{para|ref|none}} (in contrast, other Cite templates such as {{tl|cite book}} and {{tl|cite news}} do not create an anchor by default). You can also specify the ID directly, using the {{para|ref|<var>ID</var>}} parameter. For example, suppose an article's ''References'' section contains the markup:
* <code><nowiki>{{Citation |author=Sigmund Freud |title=Civilization and Its Discontents |year=1930 |ref=CivDis}}</nowiki></code>
which generates the citation:
* {{Citation |author=Sigmund Freud |title=Civilization and Its Discontents |year=1930 |ref=CivDis}}
Then, the markup "<code><nowiki>([[#CivDis|Freud 1930]])</nowiki></code>" generates a parenthetical reference "([[#CivDis|Freud 1930]])" containing a wikilink to the citation (try clicking on the wikilink).

===Anchors for Harvard referencing templates===
IDs compatible with Harvard referencing templates such as {{tl|harv}} are computed from the last names of the authors (or editors, if no authors are given) and the year of the cited source. For example, the markup "<code><nowiki>{{harv|Wright|Evans|1851|p=ix}}</nowiki></code>" generates the Harvard reference "{{harv|Wright|Evans|1851|p=ix}}", which wikilinks to the citation whose markup and appearance are shown below:
* <code><nowiki>{{Citation |last1=Wright |first1=Thomas |last2=Evans |first2=R. H. |title=Historical and Descriptive Account of the Caricatures of James Gillray |location=London |publisher=Henry G. Bohn |year=1851 |oclc=59510372}}</nowiki></code>
* {{Citation |last1=Wright |first1=Thomas |last2=Evans |first2=R. H. |title=Historical and Descriptive Account of the Caricatures of James Gillray |location=London |publisher=Henry G. Bohn |year=1851 |oclc=59510372}}
In this example the {{tl|citation}} template defines, and the {{tl|harv}} template uses, the HTML ID "<code>CITEREFWrightEvans1851</code>", composed by concatenating the string "<code>CITEREF</code>" with the last names of the authors and the year. The {{tl|harvid}} template can be used to generate such IDs, for example, <code><nowiki>{{harvid|Wright|Evans|1851}}</nowiki></code> generates "<code>{{harvid|Wright|Evans|1851}}</code>".

Related methods which leave only a number in the text are to use the {{tl|harvnb}} template enclosed in the <nowiki><ref></ref></nowiki> html code, or to use the {{tl|sfn}} template alone. The example above would be <code><nowiki><ref>{{harvnb|Wright|Evans|1851|p=ix}}</ref></nowiki></code> or <code><nowiki>{{sfn|Wright|Evans|1851|p=ix}}</nowiki></code> both of which generate a footnote, such as
:17. {{harvnb|Wright|Evans|1851|p=ix}}

The names of only the first four authors are used; other author names are not concatenated to the ID. If no author names are given, editor names are used instead.

Last names are used, as specified by the parameters {{para|last1}} (or {{para|last}}), {{para|last2}}, {{para|last3}}, and {{para|last4}}, and similarly for {{para|editor1-last}} etc. and for {{para|inventor1-last}} etc. If a full name is given but no last name is specified, this template falls back on the full name, but this usage is not recommended. For example, in "<code><nowiki>{{Citation | author = Sigmund Freud | title = The Ego and the Id | year = 1923}}</nowiki></code>" no last name is given, so this citation cannot be combined with the Harvard reference "<code><nowiki>{{harv|Freud|1923}}</nowiki></code>". To make these {{tl|citation}} and {{tl|harv}} invocations compatible, either replace "{{para|author|Sigmund Freud}}" with "{{para|first|Sigmund}} {{para|last|Freud}}", or add "{{para|ref|<nowiki>{{harvid|Freud|1923}}</nowiki>}}" to the {{tl|citation}} invocation, or add the same ref parameter (say, "{{para|ref|EgoId}}") to both the {{tl|citation}} and the {{tl|harv}} invocations.

Similarly, the year is used, as specified by {{para|year}}. If no year is given, this template attempts to derive the year from {{para|date}} (or, if no date is given, from {{para|publication-date}}) by applying the [[mw:Help:Extension:ParserFunctions##time|MediaWiki §&nbsp;Time function]]. This heuristic works with many common date formats (American, International and [[ISO 8601#Calendar dates|ISO 8601 standard format]] YYYY-MM-DD as listed in [[WP:MOS]]), but may not work as expected with other formats, so when in doubt it may be safer to use {{para|year}}. Note that if only a year, say 2005, is known you must use {{para|year|2005}} rather than {{para|date|2005}}.

===IDs must be unique===
Names, years, and hand-specified IDs must be chosen so that the IDs are unique within a page; otherwise the HTML will not conform to the W3C standards, and any references to the citations will not work reliably. For example, suppose a page contains the following two citations with {{tl|harv}}-compatible IDs:
* {{Citation |last1=Montes |first1=G. |last2=Halterman |first2=J. S. |year=2008a |journal=Pediatrics |volume=121 |issue=4 |pages=e821–e826 |title=Association of Childhood Autism Spectrum Disorders and Loss of Family Income |doi=10.1542/peds.2007-1594 |pmid=18381511 |url= http://pediatrics.aappublications.org/cgi/content/full/121/4/e821 }}
* {{Citation |last1=Montes |first1=G. |last2=Halterman |first2=J. S. |year=2008b |journal=Pediatrics |volume=122 |issue=1 |pages=e202–e208 |title=Child Care Problems and Employment Among Families with Preschool-aged Children with Autism in the United States |doi=10.1542/peds.2007-3037 |pmid=18595965 |url= http://pediatrics.aappublications.org/cgi/content/full/122/1/e202 }}

If these citations were altered to say "2008" rather than "2008a" and "2008b", the resulting page would not work, because the two different citations would both attempt to use the ID "<code>CITEREFMontesHalterman2008</code>". To avoid this problem, distinguish the citations by appending suffixes to the years, e.g. "{{para|year|2008a}}" and "{{para|year|2008b}}", as was done above. Any Harvard references to these citations should use years with the same suffixes.

It is good practice to verify that a page does not contain duplicate IDs by using the [[W3C Markup Validation Service]]; see ''[[#External links|External links]]''.

==Dates==
{{Reflist|group="n"|refs=<ref name="dates" group="n">The format of dates in the references of an article should use consistent and unambiguous styles. Example formats used in Wikipedia citations include:
* ''2009''
* ''2009-09-14'' ([[ISO 8601#Calendar dates|ISO 8601 standard format]]: YYYY-MM-DD)
* ''14 September 2009''
* ''September 14, 2009'' (with comma)
* ''September 2009''

Dates should not be linked (say, to a Wikipedia article of the same name) in references.

Please see [[Wikipedia:Manual of Style (dates and numbers)#Dates|Wikipedia:Manual of Style (dates and numbers) §&nbsp;Dates]] for more guidance about formatting dates.
</ref>}}

==Tools==
See [[Wikipedia:Citing sources#Citation templates and tools|Wikipedia:Citing sources §&nbsp;Citation templates and tools]] for a list of tools that can help create a reference in the "citation" format.

==TemplateData==
{{notice|This template data section needs to be edited. It includes deprecated parameters and does not include parameters that were added in the Lua updates.}}

{{TemplateDataHeader}}
<templatedata>
<templatedata>
{
{
Línea 2383: Línea 1670:
}
}
</templatedata>
</templatedata>

{{UF-COinS}}

== See also ==
* [[Wikipedia:Citation templates]]
* [[Wikipedia:Inline citation]]
* [[Wikipedia:Parenthetical referencing]]
* For a comparison of citations using templates with citations written freehand, see [[Wikipedia:Citing sources/Example edits for different methods#Footnotes|Wikipedia:Citing sources/Example edits for different methods §&nbsp;Footnotes]]
{{Wikipedia referencing}}
{{Wikipedia help pages}}

<includeonly>{{#ifeq:{{SUBPAGENAME}}|sandbox||
<!-- Categories go below this line, please; interwikis go to Wikidata, thank you! -->
[[Category:Citation Style 2 templates]]
}}</includeonly>

Revisión actual - 12:37 14 oct 2019

The Citation template generates a citation for a book, periodical, contribution in a collective work, or a web page. It determines the citation type by examining which parameters are used.

Parámetros de la plantilla[Editar los datos de la plantilla]

ParámetroDescripciónTipoEstado
Last namelast author author1 authors last1

The surname of the author; don't wikilink, use 'authorlink'; can suffix with a numeral to add additional authors

Líneasugerido
First namefirst first1

Given or first name, middle names, or initials of the author; don't wikilink, use 'authorlink'; can suffix with a numeral to add additional authors

Líneasugerido
title of sourcetitle

Title of source; displays in italics (except that article titles are not italicized but enclosed in quotes)

Cadenaobligatorio
date of sourcedate

Full date of source being referenced in the same format as other publication dates in the citations.[1] Do not wikilink. Displays after the authors and enclosed in parentheses. If there is no author, then displays after publisher.

Cadenaopcional
url of sourceurl

URL of an online location where the text of the publication can be found.

Cadenaopcional
Workwork journal website newspaper magazine encyclopedia encyclopaedia dictionary mailinglist

Name of the work in which the cited title is found

Cadenaopcional
Volumevolume

For one publication published in several volumes

Líneasugerido
Issueissue number

Issue number

Cadenaopcional
Pagepage

Page in the source that supports the content; displays after 'p.'

Líneaopcional
Pagespages

Pages in the source that support the content (not an indication of the number of pages in the source; displays after 'pp.'

Líneasugerido
Publication Datepublication-date

Date of publication when different from the date the work was written. Displays only if year or date are defined and only if different, else publication-date is used and displayed as date. Use the same format as other dates in the article; do not wikilink. Follows publisher; if work is not defined, then publication-date is preceded by "published" and enclosed in parenthesis.

Cadenaopcional
Date formatdf

Sets rendered dates to the specified format

Cadenaopcional
Year of publicationyear

Year of the source being referenced; recommended only when date parameter format is YYYY-MM-DD and a CITEREF disambiguator is needed

Númeroopcional
Postscriptpostscript

Controls the closing punctuation for a citation; defaults to a period (.); for no terminating punctuation, specify |postscript=none – leaving |postscript= empty is the same as omitting it, but is ambiguous. Ignored if quote is defined.

Cadenaopcional
Editor last nameeditor-last editor editor-surname editor-last1 editor-surname1 editor1 editor1-last editor1-surname editors

The surname of the editor; don't wikilink, use 'editor-link'; can suffix with a numeral to add additional editors

Desconocidoopcional
Editor first nameeditor-first editor-first1 editor-given1 editor1-first editor1-given

The surname of the editor; don't wikilink, use 'editor-link'; can suffix with a numeral to add additional editors

Desconocidoopcional
Author Maskauthor-mask authormask

Replaces the name of the first author with em dashes or text. Set author-mask to a numeric value n to set the dash n em spaces wide; set author-mask to a text value to display the text without a trailing author separator; for example, "with". You must still include the values for all authors for metadata purposes. Primarily intended for use with bibliographies or bibliography styles where multiple works by a single author are listed sequentially such as shortened footnotes. Do not use in a list generated by {{reflist}}, <references /> or similar as there is no control of the order in which references are displayed. You can also use editor-mask and translator-mask in the same way.

Cadenaopcional
Original yearorig-year origyear

Original year of publication; provide specifics

Númeroopcional
Translated titletrans-title trans_title

An English language title, if the source cited is in a foreign language; 'language' is recommended

Contenidoopcional
Translated chapter titletrans-chapter trans_chapter

An English language chapter title, if the source cited is in a foreign language; 'language' is recommended

Contenidoopcional
Typetype

Additional information about the media type of the source; format in sentence case

Contenidoopcional
Archive URLarchive-url archiveurl

The URL of an archived copy of a web page, if or in case the URL becomes unavailable; requires 'archivedate'

Líneaopcional
Dead URLdead-url deadurl

If set to 'no', the title display is adjusted; useful for when the URL is archived preemptively but still live

Líneaopcional
Seriesseries version

Series identifier when the source is part of a series, such as a book series or a journal; alias of 'version'

Contenidoopcional
periodicalperiodical

sin descripción

Cadenaopcional
Atat

May be used instead of 'page' or 'pages' where a page number is inappropriate or insufficient

Líneaopcional
No ppnopp

Set to 'y' to suppress the 'p.' or 'pp.' display with 'page' or 'pages' when inappropriate (such as 'Front cover')

Líneaopcional
Chapterchapter

The chapter heading of the source

Cadenaopcional
contributioncontribution

sin descripción

Cadenaopcional
chapter-urlchapter-url chapterurl

sin descripción

Cadenaopcional
contribution-urlcontribution-url

sin descripción

Cadenaopcional
chapter-formatchapter-format

sin descripción

Cadenaopcional
othersothers

sin descripción

Cadenaopcional
Editionedition

When the publication has more than one edition; for example: '2nd', 'Revised' etc.; suffixed with ' ed.'

Líneaopcional
Location of publicationplace location

Geographical place of publication; usually not wikilinked

Cadenaopcional
Place of publicationpublication-place

Publication place shows after title; if 'place' or 'location' are also given, they are displayed before the title prefixed with 'written at'

Contenidoopcional
Publisherpublisher

Name of the publisher; displays after title

Contenidoopcional
Languagelanguage

The language in which the source is written, if not English; use the full language name; do not use icons or templates

Contenidoopcional
Formatformat

Format of the work referred to by 'url' ('url' is required when using 'format'); examples: PDF, DOC, XLS; do not specify HTML

Contenidoopcional
arXiv identifierarxiv

An identifier for arXive electronic preprints of scientific papers

Líneaopcional
ASINasin ASIN

Amazon Standard Identification Number; 10 characters

Líneaopcional
ASIN TLDasin-tld

ASIN top-level domain for Amazon sites other than the US

Líneaopcional
Bibcodebibcode

Bibliographic Reference Code (REFCODE); 19 characters

Líneaopcional
biorXivbiorxiv

biorXiv identifier; 6 digits

Líneaopcional
CiteSeerXciteseerx

CiteSeerX identifier; found after the 'doi=' query parameter

Líneaopcional
DOIdoi DOI

Digital Object Identifier; begins with '10.'

Cadenaopcional
doi_inactivedatedoi_inactivedate

sin descripción

Cadenaopcional
DOI broken datedoi-broken-date

The date that the DOI was determined to be broken

Fechaopcional
ISBNisbn

International Standard Book Number; use the 13-digit ISBN where possible

Líneaopcional
ISSNissn

International Standard Serial Number (print); 8 characters; usually split into two groups of four using a hyphen

Líneaopcional
eISSNeissn

International Standard Serial Number (online); 8 characters; usually split into two groups of four using a hyphen

Líneaopcional
jfm codejfm

Jahrbuch über die Fortschritte der Mathematik classification code

Líneaopcional
JSTORjstor

JSTOR identifier

Líneaopcional
LCCNlccn

Library of Congress Control Number

Líneaopcional
MRmr

Mathematical Reviews identifier

Líneaopcional
OCLCoclc

Online Computer Library Center number

Númeroopcional
OLol

Open Library identifier

Líneaopcional
OSTIosti

Office of Scientific and Technical Information identifier

Líneaopcional
PMCpmc

PubMed Center article number

Númeroopcional
PMIDpmid

PubMed Unique Identifier

Líneaopcional
RFCrfc

Request for Comments number

Númeroopcional
SSRNssrn

Social Science Research Network

Líneaopcional
Zblzbl

Zentralblatt MATH journal identifier

Líneaopcional
idid

A unique identifier used where none of the specialized ones are applicable

Líneaopcional
Quotequote

Relevant text quoted from the source; displays last, enclosed in quotes; needs to include terminating punctuation

Contenidoopcional
Refref

An anchor identifier; can be made the target of wikilinks to full references; special value 'harv' generates an anchor suitable for the harv and sfn templates

Líneaopcional
URL access dateaccess-date accessdate

The full date when the original URL was accessed; do not wikilink

Fechaopcional
Lay URLlaysummary layurl lay-url

URL link to a non-technical summary or review of the source

Líneaopcional
Lay sourcelay-source laysource

Name of the source of the laysummary; displays in italics, preceded by an en dash

Cadenaopcional
Lay datelay-date laydate

Date of the summary; displays in parentheses

Fechaopcional
Author name separatorauthor-name-separator

Changes the separator between last and first names; defaults to a comma and space; a space must be encoded as &#32;

Predeterminado
,
Líneaopcional
Last author ampersandlast-author-amp lastauthoramp

When set to any value, changes the separator between the last two names of the author list to 'space ampersand space'

Lógicoopcional
Display authorsdisplayauthors display-authors

number of authors to display before 'et al.' is used;

Númeroopcional
Archive datearchive-date archivedate

Date when the original URL was archived; do not wikilink

Fechaopcional
Last name 2last2 author2 surname2

The surname of the second author; don't wikilink, use 'authorlink2'.

Líneaopcional
First name 2first2 given2

Given or first name, middle names, or initials of the second author; don't wikilink.

Líneaopcional
Last name 3last3 author3 surname3

The surname of the third author; don't wikilink, use 'authorlink3'.

Líneaopcional
First name 3first3 given3

Given or first name, middle names, or initials of the third author; don't wikilink.

Líneaopcional
Last name 4last4 author4 surname4

The surname of the forth author; don't wikilink, use 'authorlink4'.

Líneaopcional
First name 4first4 given4

Given or first name, middle names, or initials of the forth author; don't wikilink.

Líneaopcional
Last name 5last5 author5 surname5

The surname of the fifth author; don't wikilink, use 'authorlink5'.

Líneaopcional
First name 5first5 given5

Given or first name, middle names, or initials of the fifth author; don't wikilink.

Líneaopcional
Last name 6last6 author6 surname6

The surname of the sixth author; don't wikilink, use 'authorlink6'.

Líneaopcional
First name 6first6

Given or first name, middle names, or initials of the sixth author; don't wikilink.

Líneaopcional
Last name 7last7 author7 surname7

The surname of the seventh author; don't wikilink, use 'authorlink7'.

Líneaopcional
First name 7first7 given7

Given or first name, middle names, or initials of the seventh author; don't wikilink.

Líneaopcional
Last name 8last8 author8 surname8

The surname of the eighth author; don't wikilink, use 'authorlink8'.

Líneaopcional
First name 8first8 given8

Given or first name, middle names, or initials of the eighth author; don't wikilink.

Líneaopcional
Last name 9last9 author9 surname9

The surname of the ninth author; don't wikilink, use 'authorlink9'. If nine authors are defined, then only eight will show and 'et al.' will show in place of the last author.

Líneaopcional
First name 9first9 given9

Given or first name, middle names, or initials of the ninth author; don't wikilink.

Líneaopcional
Author linkauthor-link authorlink author1-link authorlink1

Title of existing Wikipedia article about the author; can suffix with a numeral to add additional authors

Nombre de páginaopcional
Author link 2author-link2 author2-link authorlink2

Title of existing Wikipedia article about the second author.

Nombre de páginaopcional
Author link 3author-link3 author3-link authorlink3

Title of existing Wikipedia article about the third author.

Nombre de páginaopcional
Author link 4author-link4 author4-link authorlink4

Title of existing Wikipedia article about the forth author.

Nombre de páginaopcional
Author link 5author-link5 author5-link authorlink5

Title of existing Wikipedia article about the sixth author.

Nombre de páginaopcional
Author link 6author-link6 author6-link authorlink6

Title of existing Wikipedia article about the sixth author.

Nombre de páginaopcional
Author link 7author-link7 author7-link authorlink7

Title of existing Wikipedia article about the seventh author.

Nombre de páginaopcional
Author link 8author-link8 author8-link authorlink8

Title of existing Wikipedia article about the eighth author.

Nombre de páginaopcional
Author link 9author-link9 author9-link authorlink9

Title of existing Wikipedia article about the ninth author.

Nombre de páginaopcional
Editor last name 2editor2-last editor2

The surname of the second editor; don't wikilink, use 'editor2-link'.

Líneaopcional
Editor first name 2editor2-first editor2-given

Given or first name, middle names, or initials of the second editor; don't wikilink.

Líneaopcional
Editor last name 3editor3-last editor3

The surname of the third editor; don't wikilink, use 'editor3-link'.

Líneaopcional
Editor first name 3editor3-first editor3-given

Given or first name, middle names, or initials of the third editor; don't wikilink.

Líneaopcional
Editor last name 4editor4-last editor4

The surname of the fourth editor; don't wikilink, use 'editor4-link'.

Líneaopcional
Editor first name 4editor4-first editor4-given

Given or first name, middle names, or initials of the fourth editor; don't wikilink.

Líneaopcional
Editor last name 5editor5-last editor5

The surname of the fifth editor; don't wikilink, use 'editor5-link'.

Líneaopcional
Editor first name 5editor5-first editor5-given

Given or first name, middle names, or initials of the fifth editor; don't wikilink.

Líneaopcional
Editor last name 6editor6-last editor6

The surname of the sixth editor; don't wikilink, use 'editor6-link'.

Líneaopcional
Editor first name 6editor6-first editor6-given

Given or first name, middle names, or initials of the sixth editor; don't wikilink.

Líneaopcional
Editor last name 7editor7-last editor7

The surname of the seventh editor; don't wikilink, use 'editor7-link'.

Líneaopcional
Editor first name 7editor7-first editor7-given

Given or first name, middle names, or initials of the seventh editor; don't wikilink.

Líneaopcional
Editor last name 8editor8-last editor8

The surname of the eighth editor; don't wikilink, use 'editor8-link'.

Líneaopcional
Editor first name 8editor8-first editor8-given

Given or first name, middle names, or initials of the eighth editor; don't wikilink.

Líneaopcional
Editor last name 9editor9-last editor9

The surname of the ninth editor; don't wikilink, use 'editor9-link'.

Líneaopcional
Editor first name 9editor9-first editor9-given

Given or first name, middle names, or initials of the ninth editor; don't wikilink.

Líneaopcional
editor-linkeditor-link

sin descripción

Cadenaopcional
editor1-linkeditor1-link

sin descripción

Cadenaopcional
editor2-linkeditor2-link

sin descripción

Cadenaopcional
editor3-linkeditor3-link

sin descripción

Cadenaopcional
editor4-linkeditor4-link

sin descripción

Cadenaopcional
Translator last nametranslator-last translator translator-last1 translator1 translator1-last

The surname of the translator; don't wikilink, use 'translator-link'; can suffix with a numeral to add additional translators.

Cadenaopcional
Translator first nametranslator-first translator1-first translator-first1

Given or first name, middle names, or initials of the translator; don't wikilink, use 'translator-link'; can suffix with a numeral to add additional translators.

Cadenaopcional
Translator linktranslator-link translator-link1 translator1-link

Title of existing Wikipedia article about the translator; can suffix with a numeral to add additional translators.

Nombre de páginaopcional
Translator last name 2translator-last2 translator2 translator2-last

The surname of the second translator; don't wikilink, use 'translator-link'.

Cadenaopcional
Translator first name 2translator-first2 translator2-first

Given or first name, middle names, or initials of the second translator; don't wikilink, use 'translator-link'.

Cadenaopcional
Translator last name 3translator-last3 translator3 translator3-last

The surname of the third translator; don't wikilink, use 'translator-link'.

Cadenaopcional
Translator first name 3translator-first3 translator3-first

Given or first name, middle names, or initials of the third translator; don't wikilink, use 'translator-link'.

Cadenaopcional
Translator last name 4translator-last4 translator4 translator4-last

The surname of the fourth translator; don't wikilink, use 'translator-link'.

Cadenaopcional
Translator first name 4translator-first4 translator4-first

Given or first name, middle names, or initials of the fourth translator; don't wikilink, use 'translator-link'.

Cadenaopcional
Translator last name 5translator-last5 translator5 translator5-last

The surname of the fifth translator; don't wikilink, use 'translator-link'.

Cadenaopcional
Translator first name 5translator-first5 translator5-first

Given or first name, middle names, or initials of the fifth translator; don't wikilink, use 'translator-link'.

Cadenaopcional
Translator last name 6translator-last6 translator6 translator6-last

The surname of the sixth translator; don't wikilink, use 'translator-link'.

Cadenaopcional
Translator first name 6translator-first6 translator6-first

Given or first name, middle names, or initials of the sixth translator; don't wikilink, use 'translator-link'.

Cadenaopcional
Translator last name 7translator-last7 translator7 translator7-last

The surname of the seventh translator; don't wikilink, use 'translator-link'.

Cadenaopcional
Translator first name 7translator-first7 translator7-first

Given or first name, middle names, or initials of the seventh translator; don't wikilink, use 'translator-link'.

Cadenaopcional
Translator last name 8translator-last8 translator8 translator8-last

The surname of the eighth translator; don't wikilink, use 'translator-link'.

Cadenaopcional
Translator first name 8translator-first8 translator8-first

Given or first name, middle names, or initials of the eighth translator; don't wikilink, use 'translator-link'.

Cadenaopcional
Translator last name 9translator-last9 translator9 translator9-last

The surname of the ninth translator; don't wikilink, use 'translator-link'.

Cadenaopcional
Translator first name 9translator-first9 translator9-first

Given or first name, middle names, or initials of the ninth translator; don't wikilink, use 'translator-link'.

Cadenaopcional
Translator link 2translator-link2 translator2-link

Title of existing Wikipedia article about the second translator.

Nombre de páginaopcional
Translator link 3translator-link3 translator3-link

Title of existing Wikipedia article about the third translator.

Nombre de páginaopcional
Translator link 4translator-link4 translator4-link

Title of existing Wikipedia article about the fourth translator.

Nombre de páginaopcional
Translator link 5translator-link5 translator5-link

Title of existing Wikipedia article about the fifth translator.

Nombre de páginaopcional
Translator link 6translator-link6 translator6-link

Title of existing Wikipedia article about the sixth translator.

Nombre de páginaopcional
Translator link 7translator-link7 translator7-link

Title of existing Wikipedia article about the seventh translator.

Nombre de páginaopcional
Translator link 8translator-link8 translator8-link

Title of existing Wikipedia article about the eighth translator.

Nombre de páginaopcional
Translator link 9translator-link9 translator9-link

Title of existing Wikipedia article about the ninth translator.

Nombre de páginaopcional