Structure to follow to cite a Wikipedia article in APA style: Article title. (Year last updated). Retrieved Month Day, Year, from URL. Reference example: Special relativity. (2018). Retrieved August 5, 2019, from https://en.wikipedia.org/wiki/Special_relativity.

To cite Wikipedia in APA on the References page, follow this formula: Title of article. (Year, Month Day). In Wikipedia. URL

How to cite Wikipedia in APA Style In APA Style (7th edition), only the first word of the title is capitalized, and there is no period after the URL. The in-text citation includes the title of the article (with title-case capitalization, and shortened if necessary) and the year.

To cite an online encyclopedia entry in APA Style, start with the author of the entry (if listed), followed by the publication year, the entry title, the name of the editor, the encyclopedia name, the edition, the publisher, and the URL. You can easily cite an encyclopedia entry by using our free APA Citation Generator.