APA (7th ed.) Citation

Sheerin, J. B. (1967). A practical guide to ecumenism (Rev. ed.). Paulist Press.

Chicago Style (17th ed.) Citation

Sheerin, John B. A Practical Guide to Ecumenism. Rev. ed. New York [etc.]: Paulist Press, 1967.

MLA (9th ed.) Citation

Sheerin, John B. A Practical Guide to Ecumenism. Rev. ed. Paulist Press, 1967.

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