Template:Wikipedia

This template provides attribution for material sourced from Wikipedia, which is necessary to comply with the licensing requirements under the cc-by-sa-3.0 license used by both WT and WP.

produces:

If the articles have the same title, specifying the article name is optional – it will automatically fill in the name of the current article. For example, on this page,  produces:

en:Template:Wikipedia sv:Mall:Wikipedia wts:Template:Wikipedia