APA (7th ed.) Citation

London, J. (1917). The iron heel (1a. ed.). Grosset & Dunlap.

Chicago Style (17th ed.) Citation

London, Jack. The Iron Heel. 1a. ed. Nueva York: Grosset & Dunlap, 1917.

MLA (9th ed.) Citation

London, Jack. The Iron Heel. 1a. ed. Grosset & Dunlap, 1917.