APA (7th ed.) Citation

Ryan, W. D. (1960). Ecumenical councils. Olander Press, Serra Club of DuPage County.

Chicago Style (17th ed.) Citation

Ryan, William Dennis. Ecumenical Councils. Glen Ellyn, Ill.: Olander Press, Serra Club of DuPage County, 1960.

MLA (8th ed.) Citation

Ryan, William Dennis. Ecumenical Councils. Olander Press, Serra Club of DuPage County, 1960.

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