Citazione APA

Kirsch, F. M. (1935). The sex problem: A challenge and an opportunity. Paulist Press.

Stile di citazione Chicago

Kirsch, Felix M. The Sex Problem: A Challenge and an Opportunity. New York, N.Y.: Paulist Press, 1935.

Citazione MLA

Kirsch, Felix M. The Sex Problem: A Challenge and an Opportunity. Paulist Press, 1935.