APA Style

Townsend, J., Cloud, H. (2002). Boundaries When to say Yes when to say No: To take control of your life (Cet.15). Grand Rapids: Zondervan.

MLA Style

Townsend, John., Cloud, Henry. "Boundaries When to say Yes when to say No: To take control of your life". Cet.15 Grand Rapids: Zondervan, 2002. Text.