APA (7th ed.) Citation

Lewis, C. S. (1975). Letters of C. S. Lewis (1. ed.). Harcourt Brace Jovanovich.

Chicago Style (17th ed.) Citation

Lewis, C. S. Letters of C. S. Lewis. 1. ed. New York u.a: Harcourt Brace Jovanovich, 1975.

MLA (9th ed.) Citation

Lewis, C. S. Letters of C. S. Lewis. 1. ed. Harcourt Brace Jovanovich, 1975.