APA-referens (7:e uppl.)

Spackman, W. M. (1967). On the decay of humanism: Essays. Rutgers University Press.

Chicago-referens (17:e uppl.)

Spackman, William Mode. On the Decay of Humanism: Essays. New Brunswick, N.J: Rutgers University Press, 1967.

MLA-referens (9:e uppl.)

Spackman, William Mode. On the Decay of Humanism: Essays. Rutgers University Press, 1967.