APA-referens (7:e uppl.)

Kranzberg, M., & Gies, J. (1975). By the sweat of thy brow: Work in the Western world. Putnam.

Chicago-referens (17:e uppl.)

Kranzberg, Melvin, och Joseph Gies. By the Sweat of Thy Brow: Work in the Western World. New York: Putnam, 1975.

MLA-referens (9:e uppl.)

Kranzberg, Melvin, och Joseph Gies. By the Sweat of Thy Brow: Work in the Western World. Putnam, 1975.