APA (7th ed.) Citation

Sayer, G. (1994). Jack: A life of C. S. Lewis (2. ed.). Crossway Books.

Chicago Style (17th ed.) Citation

Sayer, George. Jack: A Life of C. S. Lewis. 2. ed. Wheaton, Ill: Crossway Books, 1994.

MLA (9th ed.) Citation

Sayer, George. Jack: A Life of C. S. Lewis. 2. ed. Crossway Books, 1994.