APA (7th ed.) Citation

Gibb, J., & Barfield, O. (1966). Light on C. S. Lewis ([1st American ed.].). Harcourt, Brace & World.

Chicago Style (17th ed.) Citation

Gibb, Jocelyn, and Owen Barfield. Light on C. S. Lewis. [1st American ed.]. New York: Harcourt, Brace & World, 1966.

MLA (8th ed.) Citation

Gibb, Jocelyn, and Owen Barfield. Light on C. S. Lewis. [1st American ed.]. Harcourt, Brace & World, 1966.