APA (7th ed.) Citation

O'Brien, J. A. (1950). The truth about the Inquisition: Causes, methods and results : light from recent historic research. The Paulist Press.

Chicago Style (17th ed.) Citation

O'Brien, John A. The Truth About the Inquisition: Causes, Methods and Results : Light from Recent Historic Research. New York: The Paulist Press, 1950.

MLA (8th ed.) Citation

O'Brien, John A. The Truth About the Inquisition: Causes, Methods and Results : Light from Recent Historic Research. The Paulist Press, 1950.