APA (7th ed.) Citation

Watkins, G. S. (2018). An introduction to the study of labor problems. Forgotten Books.

Chicago Style (17th ed.) Citation

Watkins, Gordon S. An Introduction to the Study of Labor Problems. London: Forgotten Books, 2018.

MLA (9th ed.) Citation

Watkins, Gordon S. An Introduction to the Study of Labor Problems. Forgotten Books, 2018.