APA (7th ed.) Citation

Commons, J. R. (1967). Trade unionism and labor problems.: Second series. A. M. Kelley.

Chicago Style (17th ed.) Citation

Commons, John R. Trade Unionism and Labor Problems.: Second Series. New York: A. M. Kelley, 1967.

MLA (9th ed.) Citation

Commons, John R. Trade Unionism and Labor Problems.: Second Series. A. M. Kelley, 1967.