APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (8th ed.) Citation

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