Cita APA (7a ed.)

Penrod, S. (1986). Social psychology (2. ed.). Prentice-Hall.

Cita Chicago Style (17a ed.)

Penrod, Steven. Social Psychology. 2. ed. Englewood Cliffs, N. J: Prentice-Hall, 1986.

Cita MLA (9a ed.)

Penrod, Steven. Social Psychology. 2. ed. Prentice-Hall, 1986.