Cita APA (7a ed.)

Peterson, H. A., Marzolf, S. S., & Bayley, N. (1948). Educational psychology. Macmillan Company.

Cita Chicago Style (17a ed.)

Peterson, Harvey A., Stanley S. Marzolf, y Nancy Bayley. Educational Psychology. New York: Macmillan Company, 1948.

Cita MLA (9a ed.)

Peterson, Harvey A., et al. Educational Psychology. Macmillan Company, 1948.