APA (7th ed.) Citation

Hitchens, C. (2007). God is not great: How religion poisons everything. Twelve.

Chicago Style (17th ed.) Citation

Hitchens, Christopher. God Is Not Great: How Religion Poisons Everything. New York: Twelve, 2007.

MLA (9th ed.) Citation

Hitchens, Christopher. God Is Not Great: How Religion Poisons Everything. Twelve, 2007.