APA (7th ed.) Citation

O'Brien, J. A. (1953). Marriage: A vocation. Ave Maria Press.

Chicago Style (17th ed.) Citation

O'Brien, John A. Marriage: A Vocation. Notre Dame, Ind.: Ave Maria Press, 1953.

MLA (8th ed.) Citation

O'Brien, John A. Marriage: A Vocation. Ave Maria Press, 1953.