APA (7th ed.) Citation

O'Brien, J. A. (1957). Giants of the Faith: Conversions which changed the World. Hanover House.

Chicago Style (17th ed.) Citation

O'Brien, John A. Giants of the Faith: Conversions Which Changed the World. Garden City (New York): Hanover House, 1957.

MLA (9th ed.) Citation

O'Brien, John A. Giants of the Faith: Conversions Which Changed the World. Hanover House, 1957.