Style de citation APA (7e éd.)

O'Brien, J. A. (1937). Why not a mixed marriage?: A plain answer to a common question. Paulist Press.

Style de citation Chicago (17e éd.)

O'Brien, John A. Why Not a Mixed Marriage?: A Plain Answer to a Common Question. New York: Paulist Press, 1937.

Style de citation MLA (8e éd.)

O'Brien, John A. Why Not a Mixed Marriage?: A Plain Answer to a Common Question. Paulist Press, 1937.