APA (7th ed.) Citation

Ernst, K. (1972). Games students play (and what to do about them). Celestial Arts.

Chicago Style (17th ed.) Citation

Ernst, Ken. Games Students Play (and What to Do About Them). Millbrae, Calif.: Celestial Arts, 1972.

MLA (9th ed.) Citation

Ernst, Ken. Games Students Play (and What to Do About Them). Celestial Arts, 1972.

Warning: These citations may not always be 100% accurate.