APA (7th ed.) Citation

Russell, B. (1927). Why I am not a Christian (1. ed.). Watts.

Chicago Style (17th ed.) Citation

Russell, Bertrand. Why I Am Not a Christian. 1. ed. London: Watts, 1927.

MLA (8th ed.) Citation

Russell, Bertrand. Why I Am Not a Christian. 1. ed. Watts, 1927.

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