Cita APA (7a ed.)

Fletcher, R. (1968). Instinct in man (Second edition.). International Universities Press, Inc.

Cita Chicago Style (17a ed.)

Fletcher, Ronald. Instinct in Man. Second edition. New York: International Universities Press, Inc, 1968.

Cita MLA (9a ed.)

Fletcher, Ronald. Instinct in Man. Second edition. International Universities Press, Inc, 1968.