APA (7th ed.) Citation

Lewis, C. S., & Dorsett, L. W. (1996). The essential C.S. Lewis. Touchstone Book.

Chicago Style (17th ed.) Citation

Lewis, C. S., and Lyle W. Dorsett. The Essential C.S. Lewis. New York: Touchstone Book, 1996.

MLA (9th ed.) Citation

Lewis, C. S., and Lyle W. Dorsett. The Essential C.S. Lewis. Touchstone Book, 1996.