APA (7th ed.) Citation

Lewis, C. (1980). Mere christianity (Rev ed.). HarperSanFrancisco.

Chicago Style (17th ed.) Citation

Lewis, C.S. Mere Christianity. Rev ed. New YOrk: HarperSanFrancisco, 1980.

MLA (9th ed.) Citation

Lewis, C.S. Mere Christianity. Rev ed. HarperSanFrancisco, 1980.

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