APA (7th ed.) Citation

Lewis, C. S. (2017). The four loves (First edition.). HarperOne.

Chicago Style (17th ed.) Citation

Lewis, C. S. The Four Loves. First edition. San Francisco: HarperOne, 2017.

MLA (9th ed.) Citation

Lewis, C. S. The Four Loves. First edition. HarperOne, 2017.

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