This one is easy! The ezproxy prefix is preset in this database.
You only need to copy and paste the URL, Bookmark or Permalink for off campus and on campus access.
For the Biography Reference Center (EBSCO) database, the document URL is included in the source citation. Clicking on the title will bring up the source citation at the top of the article.
Be sure to copy the entire Permalink URL:
Example of a document URL, which already includes the WAM proxy.