APA (7th ed.) Citation

Hitchens, C. (2009). 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 Boston: Twelve, 2009.

MLA (8th ed.) Citation

Hitchens, Christopher. God Is Not Great: How Religion Poisons Everything. Twelve, 2009.