APA (7th ed.) Citation

Baum, G. (1964). Ecumenical theology today. Paulist Press.

Chicago Style (17th ed.) Citation

Baum, Gregory. Ecumenical Theology Today. Glen Rock, N.J: Paulist Press, 1964.

MLA (9th ed.) Citation

Baum, Gregory. Ecumenical Theology Today. Paulist Press, 1964.