APA (7th ed.) Citation

Arias, J., & Barrett, P. (1973). The God I don't believe in. Abbey Press.

Chicago Style (17th ed.) Citation

Arias, Juan, and Paul Barrett. The God I Don't Believe in. St. Meinrad, Ind.: Abbey Press, 1973.

MLA (9th ed.) Citation

Arias, Juan, and Paul Barrett. The God I Don't Believe in. Abbey Press, 1973.