APA (7th ed.) Citation

Commons, J. R. (1967). Proportional representation.: With chapters on the initiative, the referendum, and primary elections (2d ed.). A. M. Kelley.

Chicago Style (17th ed.) Citation

Commons, John R. Proportional Representation.: With Chapters on the Initiative, the Referendum, and Primary Elections. 2d ed. New York: A. M. Kelley, 1967.

MLA (9th ed.) Citation

Commons, John R. Proportional Representation.: With Chapters on the Initiative, the Referendum, and Primary Elections. 2d ed. A. M. Kelley, 1967.