APA (7th ed.) Citation

Marsden, G. M., & Mackenzie, R. I. (2016). C.s. lewis's mere christianity: A biography (Unabridged.). Recorded Books Inc..

Chicago Style (17th ed.) Citation

Marsden, George M., and Robert Ian Mackenzie. C.s. Lewis's Mere Christianity: A Biography. Unabridged. Prince Frederick: Recorded Books Inc., 2016.

MLA (8th ed.) Citation

Marsden, George M., and Robert Ian Mackenzie. C.s. Lewis's Mere Christianity: A Biography. Unabridged. Recorded Books Inc., 2016.

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