APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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