Cita APA (7a ed.)

Watkins, G. S. (1922). An introduction to the study of labor problems. Thomas Y. Crowell Co..

Cita Chicago Style (17a ed.)

Watkins, Gordon S. An Introduction to the Study of Labor Problems. New York: Thomas Y. Crowell Co., 1922.

Cita MLA (8a ed.)

Watkins, Gordon S. An Introduction to the Study of Labor Problems. Thomas Y. Crowell Co., 1922.