Cita APA (7th ed.)

Penner, L. A. (1978). Social psychology: A contemporary approach. Oxford University Press.

Cita Chicago (17th ed.)

Penner, Louis A. Social Psychology: A Contemporary Approach. New York: Oxford University Press, 1978.

Cita MLA (9th ed.)

Penner, Louis A. Social Psychology: A Contemporary Approach. Oxford University Press, 1978.