APA (7th ed.) Citation

Lewis, C. S. (1967). The great divorce. The Macmillan.

Chicago Style (17th ed.) Citation

Lewis, C. S. The Great Divorce. The Macmillan, 1967.

MLA (9th ed.) Citation

Lewis, C. S. The Great Divorce. The Macmillan, 1967.

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