Citazione Stile APA (7a Edizione)

Freud, A. (1966). The ego and the mechanisms of defense. International Universities Press, INC.

Citazione stile Chigago Style (17a edizione)

Freud, Anna. The Ego and the Mechanisms of Defense. Madison, Connecticut: International Universities Press, INC, 1966.

Citatione MLA (9a ed.)

Freud, Anna. The Ego and the Mechanisms of Defense. International Universities Press, INC, 1966.