ढाँचा:Ethnologue18 is designed for use in the reference section of a language article. It links to the appropriate article at Ethnologue, 18th edition.

One parameter
Replace xyz with the ISO 639-3 code for the language. The page name will be used as the link text
{{Ethnologue18|xyz}}
{{E18|xyz}}
Two parameters
Replace ABC with the link text to be displayed. This may be useful if the Ethnologue name differs from the page name of the Wikipedia article.
{{Ethnologue18|xyz|ABC}}
{{E18|xyz|ABC}}
No parameters
The template will revert to a generic citation and link to Ethnologue
{{Ethnologue18}}
{{E18}}
One parameter
{{Ethnologue18|eng}}
Ethnologue18/doc at Ethnologue (18th ed., 2015)
Two parameters
{{Ethnologue18|eng|English}}
English at Ethnologue (18th ed., 2015)
No parameters
{{Ethnologue18}}
Lewis, M. Paul; Gary F. Simons; Charles D. Fennig, eds. (2015). Ethnologue: Languages of the World (18th ed.). Dallas, Texas: SIL International.

For a reference to the Ethnologue population figures, enter "e18" in the ref parameter of {{Infobox language}}. This will automatically generate a reference based on this template, and is easier for other editors to update.