Help:Extension:Contributors

As taken directly from the extension page on MediaWiki:

Usage
The list can be accessed as a conventional special page, or through inclusion into another page.

Special page
The special page is located at Special:Contributors and provides an interface to select an article. You can also access this page using the "main contributors" link in the toolbox when viewing an article; the results for that page will be shown.

Inclusion
You can include a list of names into another page using the inclusion mechanism, e.g.



You can also create a template with the following code on it, and add it to your articles.



will produce a list of the most prominent contributors to Article.