Cita APA (7a ed.)

Wispé, L. (1978). Altruism, sympathy, and helping: Psychological and sociological principles. Academic Press.

Cita Chicago Style (17a ed.)

Wispé, Lauren. Altruism, Sympathy, and Helping: Psychological and Sociological Principles. New York [u.a.]: Academic Press, 1978.

Cita MLA (8a ed.)

Wispé, Lauren. Altruism, Sympathy, and Helping: Psychological and Sociological Principles. Academic Press, 1978.