APA (7th ed.) Citation

Pettijohn, T. F. (1991). The encyclopedic dictionary of psychology (4th ed.). Dushkin Publishing Group.

Chicago Style (17th ed.) Citation

Pettijohn, Terry F. The Encyclopedic Dictionary of Psychology. 4th ed. Guilford, Conn.: Dushkin Publishing Group, 1991.

MLA (8th ed.) Citation

Pettijohn, Terry F. The Encyclopedic Dictionary of Psychology. 4th ed. Dushkin Publishing Group, 1991.