APA (7th ed.) Citation

Hitchens, C. (2009). God is not great : how religion poisons everything / Christopher Hitchens: How religion poisons everything (Trade ed.). Twelve.

Chicago Style (17th ed.) Citation

Hitchens, Christopher. God Is Not Great : How Religion Poisons Everything / Christopher Hitchens: How Religion Poisons Everything. Trade ed. New York: Twelve, 2009.

MLA (9th ed.) Citation

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

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