APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

Larson, Orvin Prentiss. American Infidel : Robert G. Ingersoll: A Biography. New York, NY: Citadel Press, 1962.

MLA (9th ed.) Citation

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

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