APA (7th ed.) Citation

Thomson, R. (1991). The five gates of hell (1. American ed.). Knopf.

Chicago Style (17th ed.) Citation

Thomson, Rupert. The Five Gates of Hell. 1. American ed. New York: Knopf, 1991.

MLA (9th ed.) Citation

Thomson, Rupert. The Five Gates of Hell. 1. American ed. Knopf, 1991.

Warning: These citations may not always be 100% accurate.