APA (7th ed.) Citation

Kreeft, P. (2008). Because God is real: Sixteen questions, one answer. Ignatius Press.

Chicago Style (17th ed.) Citation

Kreeft, Peter. Because God Is Real: Sixteen Questions, One Answer. San Francisco: Ignatius Press, 2008.

MLA (9th ed.) Citation

Kreeft, Peter. Because God Is Real: Sixteen Questions, One Answer. Ignatius Press, 2008.