APA (7th ed.) Citation

Lewis, C. S. (1970). The last battle (1. publ.). Macmillan.

Chicago Style (17th ed.) Citation

Lewis, C. S. The Last Battle. 1. publ. New York: Macmillan, 1970.

MLA (9th ed.) Citation

Lewis, C. S. The Last Battle. 1. publ. Macmillan, 1970.

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