APA (7th ed.) Citation

Commons, J. R. (1920). Races and immigrants in America (New ed.). Macmillan.

Chicago Style (17th ed.) Citation

Commons, John Rogers. Races and Immigrants in America. New ed. New York: Macmillan, 1920.

MLA (9th ed.) Citation

Commons, John Rogers. Races and Immigrants in America. New ed. Macmillan, 1920.