APA (7th ed.) Citation

Haffert, J. M. (1943). Saturday in purgatory? Scapular Press.

Chicago Style (17th ed.) Citation

Haffert, John M. Saturday in Purgatory? New York, N.Y.: Scapular Press, 1943.

MLA (8th ed.) Citation

Haffert, John M. Saturday in Purgatory? Scapular Press, 1943.

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