Cita APA (7a ed.)

Keller, T. J. (2008). The reason for God: Belief in an age of skepticism. Dutton.

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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