Cita APA

Pettijohn, T. F. (1989). Psychology: A concise introduction (2. ed.). Conn., EE.UU: The Dushkin Publ.

Citación estilo Chicago

Pettijohn, Terry F. Psychology: A Concise Introduction. 2. ed. Conn., EE.UU: The Dushkin Publ, 1989.

Cita MLA

Pettijohn, Terry F. Psychology: A Concise Introduction. 2. ed. Conn., EE.UU: The Dushkin Publ, 1989.