May, R. (1996). The Meaning of Anxiety. W.W. Norton & Company.
Cita Chicago Style (17a ed.)May, Rollo. The Meaning of Anxiety. New York: W.W. Norton & Company, 1996.
Cita MLA (9a ed.)May, Rollo. The Meaning of Anxiety. W.W. Norton & Company, 1996.
Precaución: Estas citas no son 100% exactas.