Citazione Stile APA (7a Edizione)

Yancey, P. (2006). Prayer: Does it make any difference? Zondervan.

Citazione stile Chigago Style (17a edizione)

Yancey, Philip. Prayer: Does It Make Any Difference? Grand Rapids, MI: Zondervan, 2006.

Citatione MLA (9a ed.)

Yancey, Philip. Prayer: Does It Make Any Difference? Zondervan, 2006.