Cita APA (7th ed.)

Freud, A. (1993). The ego and the mechanisms of defence (Revised ed.). Karnac Books.

Cita Chicago (17th ed.)

Freud, Anna. The Ego and the Mechanisms of Defence. Revised ed. London: Karnac Books, 1993.

Cita MLA (9th ed.)

Freud, Anna. The Ego and the Mechanisms of Defence. Revised ed. Karnac Books, 1993.