APA (7th ed.) Citation

MacLean, D. A. (1946). Pope Pius XII, Apostle of World Peace. Washington, D.C..

Chicago Style (17th ed.) Citation

MacLean, Donald Alexander. Pope Pius XII, Apostle of World Peace. Washington, D.C., 1946.

MLA (8th ed.) Citation

MacLean, Donald Alexander. Pope Pius XII, Apostle of World Peace. Washington, D.C., 1946.

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