May, R. (1996). Psychology and the Human Dilemma. W.W. Norton and Company.
Cita Chicago Style (17a ed.)May, Rollo. Psychology and the Human Dilemma. New York London: W.W. Norton and Company, 1996.
Cita MLA (9a ed.)May, Rollo. Psychology and the Human Dilemma. W.W. Norton and Company, 1996.
Precaución: Estas citas no son 100% exactas.