APA (7th ed.) Citation

O'Brien, J. A. (1941). The ideal marriage: How achieve it? Paulist Press.

Chicago Style (17th ed.) Citation

O'Brien, John A. The Ideal Marriage: How Achieve It? New York: Paulist Press, 1941.

MLA (8th ed.) Citation

O'Brien, John A. The Ideal Marriage: How Achieve It? Paulist Press, 1941.