APA-referens (7:e uppl.)

Mumford, L. (1956). The transformations of man ([1st ed.].). Harper.

Chicago-referens (17:e uppl.)

Mumford, Lewis. The Transformations of Man. [1st ed.]. New York: Harper, 1956.

MLA-referens (9:e uppl.)

Mumford, Lewis. The Transformations of Man. [1st ed.]. Harper, 1956.