APA (7th ed.) Citation

Opton, F. G. (1982). Liberal religion. Prometheus Books.

Chicago Style (17th ed.) Citation

Opton, Frank G. Liberal Religion. Buffalo, N.Y: Prometheus Books, 1982.

MLA (8th ed.) Citation

Opton, Frank G. Liberal Religion. Prometheus Books, 1982.

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