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Template:Citation needed

Permanently protected template
From Wikipedia, the free encyclopedia
(Redirected fromTemplate:Cn)

[citation needed]

Template documentation[view] [edit] [history] [purge]
"Template:Proveit" redirects here. For the template about the referencing gadget, seeTemplate:User ProveIt.
WarningThis template is used onapproximately 595,000 pages, or roughly 1% of all pages.
To avoid major disruption and server load, any changes should be tested in the template's/sandbox or/testcases subpages, or in your ownuser subpage. The tested changes can be added to this page in a single edit. Consider discussing changes on thetalk page before implementing them.
This template can only be edited byadministrators because it istranscluded onto one or morecascade-protected pages.
An introductory version of this documentation is provided atWikipedia:Citation needed.
This template usesLua:
[citation needed]

{{Citation needed}} is atemplate used to identify claims in articles, particularly if questionable, that need acitation to areliable source. This template produces the superscripted message [citation needed] and is installed with no spaces directly after punctuation.

Usage

  • {{Citation needed|date=March 2025}}
  • {{Citation needed|date=March 2025|reason=Your explanation here}}

Notes

  • The|date= parameter consists of the full English name of the current month (with initial capital and rest lowercase), a space, and the year. For example, "January 2013" but not "jan13" or "January 23, 2013". Deviation from this rule will place the article inCategory:Articles with invalid date parameter in template.
    • To automatically add the current date, you can usesubstitution like this:{{subst:Citation needed}}.
    • If the|date= parameter is not given, abot will soon add it (AnomieBOT's TagDater task) but it's better if you add it yourself to avoid an extra edit to the article's history.
  • The|reason= parameter is for an explanation why you think the material needs a source. It is optional but very helpful. It is displayed as atooltip in some browsers (hover the mouse here[citation needed] to check behaviour of your browser). For example, the following usage might be appropriate to the claim that "Humphrey Bogart was an avid snooker player":
    {{Citation needed|reason=This claim needs a reliable source; Bogart was a famous actor but his major biographies don't mention snooker.|date=July 2024}}
    • Use onlyplain text for the|reason= parameter. It does not supportwiki markup like wikilinks, which can mess up the tooltip.
    • Double quotation marks used within the|reason= parameter will likewise mess up the tooltip; use single quotes or the HTML code" instead.
    • If omitted, the tooltip "This claim needs references to reliable sources." is used by default.
  • This template should usually be installed directlyafter punctuation, such as a full stop (period) or a comma.
  • Use of this template places the article intoCategory:All articles with unsourced statements andCategory:Articles with unsourced statements from March 2025 (example; past months are listed inCategory:Articles with unsourced statements).
  • Remove the template when you add a citation for a statement.

Examples

Example 1

This sentence shows the template used at the end.{{Citation needed|reason=Reliable source needed for the whole sentence|date=July 2004}}

This wikitext will be rendered as follows:

This sentence shows the template used at the end.[citation needed]

Example 2

Humphrey Bogart was an avid snooker player.{{Citation needed|date=July 2004}}

The template indicates that it may be that Humphrey Bogart played snooker at some point and it may be that he was enthusiastic about the game but noreliable,published sources were given to verify it and the information is not consideredcommon knowledge.

Humphrey Bogart was an avid snooker player.[citation needed]

Example 3

If it is considered that he might have played snooker but was not an avid player, a reason for the need of a citation may be given, displayed as a tooltip when the mouse hovers on "citation needed":

Humphrey Bogart was an avid snooker player.{{Citation needed|date=July 2004|reason=Only aware he was photographed playing once. Not aware of any source that claims he played a lot.}}
Humphrey Bogart was an avid snooker player.[citation needed]

In this example, it may be better to use the{{Citation needed span}} template, which has slightly different syntax, to highlight the word "avid".

When not to use this template

Contentious material aboutliving persons that is unsourced or poorly sourced should beremoved immediately. Do not tag it; immediately remove it. This includes material that is disparaging, misrepresentative, insulting, harmful, or possiblylibelous. For some policy about this, see the sections"Remove contentious material that is unsourced or poorly sourced" atWikipedia:Biographies of living persons and"Burden of evidence" atWikipedia:Verifiability.

The {{Citation needed}} template is intended for use when there is a general question of the verifiability of a statement, or when an editor believes that a reference verifying the statement should be provided. Other templates are available for other or more specific issues; see thelist of inline templates. For example, claims that you think are incorrect should be tagged with{{Dubious}}, and those which represent a non-neutral view should be tagged with{{POV statement}}. Being specific about the nature of the problem will help other editors correct it.

Within alead section that is clearly written as a summary of a substantially sourced article,

  • statements that are supported with citations within the body of the article should not be tagged,
  • statements that are not supported in the article body should be tagged with{{Not verified in body}}.

If you have the time and ability to find an authoritative reference, please do so. Then add the citation yourself, or correct the article text. After all, the ultimate goal is not to merely identify problems, but to fix them.

While an editor may add this template to any uncited passage for any reason, many editors object to what they perceive as overuse of this tag, particularly in what is known as "drive-by" tagging, which is applying the tag without attempting to address the issues at all. Consider whether adding this tag in an article is the best approach before using it, and use it judiciously. Wikipedia'sverifiability policy requires neither reliable sources forcommon well-known facts (e.g., "the Moon orbits the Earth"), nor that citations be repeated through every sentence in a paragraph. All direct quotations and facts whose accuracy might be challenged (e.g., statistics) require citations. SeeWP:MINREF for the list of material that is absolutely required to be followed by aninline citation, rather than ageneral reference or no citation at all. Also note that theburden of evidence lies with the editor who adds or restores material.

This template is intended for specific passages that need citation. For entire articles or sections that contain significant material lacking citations (rather than just specific short passages), there are other, more appropriate templates, such as{{Unreferenced}} and{{More citations needed}} (for whole articles) as well as{{Unreferenced section}} and{{More citations needed section}} (for sections of articles).

Do not use this template to tag policies or guidelines.

How to respond to this tag

The addition of this tag is a request for an inline citation to support the tagged statement. If you are able to provide a citation to support the claim, then please do so.

Except forcontentious claims about living people, which should be immediately removed if not cited, there isno specific deadline for providing citations. Please do not delete information that you believe is correct solely because no one has provided a citation within an arbitrary time limit. If there is some uncertainty about its accuracy, most editors are willing to wait at least a month to see whether a citation can be provided.

TemplateData

This is theTemplateData for this template used byTemplateWizard,VisualEditor and other tools.See a monthly parameter usage report forTemplate:Citation needed in articles based on its TemplateData.

TemplateData for Citation needed

The template is used to identify claims in articles, particularly if questionable, that lack a citation to a reliable source.

Template parameters[Edit template data]

ParameterDescriptionTypeStatus
Month and yeardate

Provides the month and year of the citation request; e.g., 'January 2013', but not 'jan13'

Auto value
{{subst:CURRENTMONTHNAME}} {{subst:CURRENTYEAR}}
Stringsuggested
Reason for citationreason

A reason as to why, or for what content, the citation is needed; use single quotes, if any

Stringoptional

Tracking categories

See also

Article message box templates

Inline cleanup tags
Attribution
Clarity
Miscellaneous
Neutrality
Precision
Excessive
Time-sensitivity
Verifiability
Dubious
Bare URLs
Incomplete or broken citation
Missing or problematic reference
Wording
General advice
The abovedocumentation istranscluded fromTemplate:Citation needed/doc.(edit |history)
Editors can experiment in this template'ssandbox(edit |diff) andtestcases(edit) pages.
Add categories to the/doc subpage.Subpages of this template.


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