| This template is used onapproximately 3,200 pages and changes may be widely noticed. Test changes in the template's/sandbox or/testcases subpages, or in your ownuser subpage. Consider discussing changes on thetalk page before implementing them. |
| This templateshould not be used incitation templates such asCitation Style 1 andCitation Style 2, because it includes markup that will pollute theCOinS metadata they produce; seeWikipedia:COinS. |
| This templateshouldnot besubstituted. |
{{ISBN missing}} is an inline cleanup template for flagging a reference that is missing theInternational Standard Book Number (ISBN) of the source document. The template addsCategory:Pages with missing ISBNs to the article.
{{ISBN missing|date=December 2025}} or{{ISBN?|date=December 2025}}
{{Cite web}},{{Cite book}},{{Citation}}, etc.):{{ISBN missing|date=December 2025}} outside the citation template|isbn= parameter of a Citation Style 1 template. The inclusion of text other than the digits of an ISBN in|isbn= corrupts the citation'sCOinS metadata and the citation's link toSpecial:BookSources.{{ISBN missing|date=December 2025}} to the end of the citation.Do not remove the {{ISBN missing}} template without fixing the problem in one of the following ways:
|isbn=X-XXXX-XXXX-X|isbn=<!-- ISBN unspecified --> (you must use HTML<!-- -->comment tags to hide the message from the citation processing software){{No ISBN}} outside the citation template{{No ISBN}} to the end of the citation.If you remove the {{ISBN missing}} template without fixing the problem in one of the above ways, someone else will come along later and flag the reference with {{ISBN missing}} again!
TemplateData for ISBN missing
No description.
| Parameter | Description | Type | Status | |
|---|---|---|---|---|
| Month and year | date | no description
| Unknown | optional |