APA (7th ed.) Citation

Greeley, A. M. (1972). Unsecular man: The persistence of religion. Schocken Books.

Chicago Style (17th ed.) Citation

Greeley, Andrew M. Unsecular Man: The Persistence of Religion. New York: Schocken Books, 1972.

MLA (9th ed.) Citation

Greeley, Andrew M. Unsecular Man: The Persistence of Religion. Schocken Books, 1972.