Παραπομπή APA

Freud, S. (1960). Jokes and their relation to the unconscious. Penguin.

Παραπομπή Chicago Style

Freud, Sigmund. Jokes and Their Relation to the Unconscious. New York: Penguin, 1960.

Παραπομπή MLA

Freud, Sigmund. Jokes and Their Relation to the Unconscious. Penguin, 1960.