Cita APA (7a ed.)

Freud, A. (1971). The Ego and the mechanisms of defense (Revised edition.). International Universities Press, INC.

Cita Chicago Style (17a ed.)

Freud, Anna. The Ego and the Mechanisms of Defense. Revised edition. New York: International Universities Press, INC, 1971.

Cita MLA (9a ed.)

Freud, Anna. The Ego and the Mechanisms of Defense. Revised edition. International Universities Press, INC, 1971.