APA (7th ed.) Zitazioa

London, J. (2006). The iron heel. Penguin Books.

Chicago Style (17th ed.) Zitazioa

London, Jack. The Iron Heel. New York: Penguin Books, 2006.

MLA (9th ed.) Zitazioa

London, Jack. The Iron Heel. Penguin Books, 2006.