APA (7th ed.) Citation

Russell, B. (1928). Why I am not a Christian (4. impr.). Watts.

Chicago Style (17th ed.) Citation

Russell, Bertrand. Why I Am Not a Christian. 4. impr. London: Watts, 1928.

MLA (8th ed.) Citation

Russell, Bertrand. Why I Am Not a Christian. 4. impr. Watts, 1928.

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