APA (7th ed.) Citation

Keller, T. (2008). The reason for God ; belief in an age of skepticism. Dutton.

Chicago Style (17th ed.) Citation

Keller, Timothy. The Reason for God ; Belief in an Age of Skepticism. New York: Dutton, 2008.

MLA (9th ed.) Citation

Keller, Timothy. The Reason for God ; Belief in an Age of Skepticism. Dutton, 2008.

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