APA (7th ed.) Citation

Princeton Language Institute & Watts, K. (1994). 21 century dictionary of slang. Laurel Book.

Chicago Style (17th ed.) Citation

Princeton Language Institute and Karen Watts. 21 Century Dictionary of Slang. New York: Laurel Book, 1994.

MLA (9th ed.) Citation

Princeton Language Institute and Karen Watts. 21 Century Dictionary of Slang. Laurel Book, 1994.