APA (7th ed.) Citation

Lewis, C. S., & Kilby, C. S. (1987). Letters to an American lady. W. B. Eerdmans Pub. Co.

Chicago Style (17th ed.) Citation

Lewis, C. S., and Clyde S. Kilby. Letters to an American Lady. Grand Rapids, Mich.: W. B. Eerdmans Pub. Co, 1987.

MLA (9th ed.) Citation

Lewis, C. S., and Clyde S. Kilby. Letters to an American Lady. W. B. Eerdmans Pub. Co, 1987.