Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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