Cita APA

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

Citación estilo Chicago

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

Cita MLA

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