Cita APA (7a ed.)

Lewis, C. S. (2001). The Screwtape letters: With Screwtape proposes a toast (HarperCollins edition.). HarperOne.

Cita Chicago Style (17a ed.)

Lewis, C. S. The Screwtape Letters: With Screwtape Proposes a Toast. HarperCollins edition. New York: HarperOne, 2001.

Cita MLA (8a ed.)

Lewis, C. S. The Screwtape Letters: With Screwtape Proposes a Toast. HarperCollins edition. HarperOne, 2001.

Precaución: Estas citas no son 100% exactas.