McMahon, F. B., & McMahon, J. W. (1986). Psychology: The hybrid science (5th ed.). The Dorsey Press.
Cita Chicago (17th ed.)McMahon, Frank B., i Judith W. McMahon. Psychology: The Hybrid Science. 5th ed. Chicago, Il: The Dorsey Press, 1986.
Cita MLA (9th ed.)McMahon, Frank B., i Judith W. McMahon. Psychology: The Hybrid Science. 5th ed. The Dorsey Press, 1986.
Atenció: Aquestes cites poden no estar 100% correctes.