Cita APA (7a ed.)

Wallace, E. (1968). The Joker (7. ed.). Pan Books.

Cita Chicago Style (17a ed.)

Wallace, Edgar. The Joker. 7. ed. London: Pan Books, 1968.

Cita MLA (8a ed.)

Wallace, Edgar. The Joker. 7. ed. Pan Books, 1968.