Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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