APA (7th ed.) Citation

(2006). Prayer: Does it make any difference? / Philip Yancey.

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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

Warning: These citations may not always be 100% accurate.