APA (7th ed.) Citation

Sims, G. (1966). The terrible door (Pocket Cardinal ed.). Pocket Books.

Chicago Style (17th ed.) Citation

Sims, George. The Terrible Door. Pocket Cardinal ed. New York: Pocket Books, 1966.

MLA (9th ed.) Citation

Sims, George. The Terrible Door. Pocket Cardinal ed. Pocket Books, 1966.