APA (7th ed.) Zitazioa

Bower , G. H. (1987). Principals of psychology today (ed.). Random House.

Chicago Style (17th ed.) Zitazioa

Bower , Gordon H. Principals of Psychology Today. ed. New York: Random House, 1987.

MLA (9th ed.) Zitazioa

Bower , Gordon H. Principals of Psychology Today. ed. Random House, 1987.