Lewis, C. S. (2001). The Screwtape letters: With Screwtape proposes a toast (HarperCollins edition.). HarperOne.
Style de citation Chicago (17e éd.)Lewis, C. S. The Screwtape Letters: With Screwtape Proposes a Toast. HarperCollins edition. New York: HarperOne, 2001.
Style de citation MLA (8e éd.)Lewis, C. S. The Screwtape Letters: With Screwtape Proposes a Toast. HarperCollins edition. HarperOne, 2001.
Attention : ces citations peuvent ne pas être correctes à 100%.