APA (7th ed.) Citation

Lewis, C. S. (1946). The Problem of pain (Repr.). Centenary Press.

Chicago Style (17th ed.) Citation

Lewis, C. S. The Problem of Pain. Repr. London: Centenary Press, 1946.

MLA (9th ed.) Citation

Lewis, C. S. The Problem of Pain. Repr. Centenary Press, 1946.

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