APA (7e ed.) Bronvermelding

Freud, S. (1962). The Ego and the ID =: El ego y el yo. W.W. Norton and Company.

Chicago (17e ed.) Bronvermelding

Freud, Sigmund. The Ego and the ID =: El Ego Y El Yo. New York: W.W. Norton and Company, 1962.

MLA (9e ed.) Bronvermelding

Freud, Sigmund. The Ego and the ID =: El Ego Y El Yo. W.W. Norton and Company, 1962.