Commons, J. R. (1907). Proportional representation: With chapters on the initiative, the referendum, and primary elections (2. ed.). Macmillan.
Chicago Style (17th ed.) CitationCommons, John Rogers. Proportional Representation: With Chapters on the Initiative, the Referendum, and Primary Elections. 2. ed. New York [u.a.]: Macmillan, 1907.
MLA (9th ed.) CitationCommons, John Rogers. Proportional Representation: With Chapters on the Initiative, the Referendum, and Primary Elections. 2. ed. Macmillan, 1907.
Warning: These citations may not always be 100% accurate.