APA (7th ed.) Citation

Warren, R. (2012). The purpose driven life: What on earth am I here for? (Expanded edition.). Zondervan.

Chicago Style (17th ed.) Citation

Warren, Richard. The Purpose Driven Life: What on Earth Am I Here for? Expanded edition. Grand Rapids, Mich.: Zondervan, 2012.

MLA (9th ed.) Citation

Warren, Richard. The Purpose Driven Life: What on Earth Am I Here for? Expanded edition. Zondervan, 2012.