Editorial Board. “How to Tell Truth from Fiction in the Age of Fake News.” Chicago Tribune, 21 Nov. 2016, www.chicagotribune.com/news/opinion/editorials/ct-fake-news-facebook-edit-1120-md-20161118-story.html.If the editorial is either unsigned or signed by an individual and you want your reader to know that the piece is an editorial rather than a news article, you can refer to the work as an editorial in your discussion, or you can include the word “Editorial” as an optional element at the end of the entry:
Gergen, David. “A Question of Values.” US News and World Report, 11 Feb. 2001, p. 72. Editorial.
“It’s Subpoena Time.” The New York Times, late ed., 8 June 2007, p. A28. Editorial.
Published 8 March 2017