APA (7th ed.) Citation

O'Brien, J. A. (1949). Why a divine revelation?: Its nature, meaning and purpose. Paulist Press.

Chicago Style (17th ed.) Citation

O'Brien, John A. Why a Divine Revelation?: Its Nature, Meaning and Purpose. New York, N.Y.: Paulist Press, 1949.

MLA (8th ed.) Citation

O'Brien, John A. Why a Divine Revelation?: Its Nature, Meaning and Purpose. Paulist Press, 1949.