APA-referens (7:e uppl.)

Babcock, D. C. (1929). Man and social achievement: An introduction to social evolution. Longmans, Green and Co..

Chicago-referens (17:e uppl.)

Babcock, Donald Campbell. Man and Social Achievement: An Introduction to Social Evolution. New York, London [etc.]: Longmans, Green and Co., 1929.

MLA-referens (8:e uppl.)

Babcock, Donald Campbell. Man and Social Achievement: An Introduction to Social Evolution. Longmans, Green and Co., 1929.