Gaya APA

Freud, S. et al (1976). Jokes and Their Relation to the Unconscious (Cet. 1.--). Harmonsworth: Penguin Books.

Gaya MLA

Freud, Sigmund. et al. "Jokes and Their Relation to the Unconscious". Cet. 1.-- Harmonsworth: Penguin Books, 1976. Text.