APA (7th ed.) Citation

Martin, W. (1975). Screwtape writes again. Vision House.

Chicago Style (17th ed.) Citation

Martin, Walter. Screwtape Writes Again. Santa Ana: Vision House, 1975.

MLA (9th ed.) Citation

Martin, Walter. Screwtape Writes Again. Vision House, 1975.

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