APA Style

Lewis, C, S. (1960). Mere Christianity : a revised and enlarged edition, with a new introduction, of the three books, the case for Christianity, Christian behaviour, and Beyond personality / C.S. Lewis. (Macmillan paperbacks ed.). New York: Macmillan Pub. Co..

MLA Style

Lewis, C., S.. "Mere Christianity : a revised and enlarged edition, with a new introduction, of the three books, the case for Christianity, Christian behaviour, and Beyond personality / C.S. Lewis.". Macmillan paperbacks ed. New York: Macmillan Pub. Co., 1960. Text.