APA (7th ed.) Citation

Ballou, R. O. (1968). The nature of religion. Basic Books.

Chicago Style (17th ed.) Citation

Ballou, Robert O. The Nature of Religion. New York [etc.]: Basic Books, 1968.

MLA (9th ed.) Citation

Ballou, Robert O. The Nature of Religion. Basic Books, 1968.

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