APA (7th ed.) Citation

Larson, O. (1962). American infidel, Robert G.Ingersoll: A biography. Citadel Press.

Chicago Style (17th ed.) Citation

Larson, Orvin. American Infidel, Robert G.Ingersoll: A Biography. N.Y.: Citadel Press, 1962.

MLA (8th ed.) Citation

Larson, Orvin. American Infidel, Robert G.Ingersoll: A Biography. Citadel Press, 1962.

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