APA (7th ed.) Citation

Baum, G. (1962). The Catholic Quest for Christian Unity. Deus Books Paulist Press.

Chicago Style (17th ed.) Citation

Baum, Gregory. The Catholic Quest for Christian Unity. Deus Books Paulist Press, 1962.

MLA (8th ed.) Citation

Baum, Gregory. The Catholic Quest for Christian Unity. Deus Books Paulist Press, 1962.

Warning: These citations may not always be 100% accurate.