One of the easiest ways to find out who else has cited the article you're interested in is to use the "Cited By" tool in Google Scholar.
Type the title of the article in quotes into the search bar and click "Search":
Locate your article in the search results, and look for the "Cited By" link underneath your article, which indicates about how many times the article has been cited by other scholars.
Click on the "Cited By" link for a list of the articles and sources in which the article was cited.
