Style de citation APA (7e éd.)

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

Style de citation Chicago (17e éd.)

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

Style de citation MLA (8e éd.)

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