APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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