APA引文

Schmidt, S. W., & Shelley, M. C. (1991). American government and politics today. West.

Chicago Style (17th ed.) Citation

Schmidt, Steffen W., and Mack C. Shelley. American Government and Politics Today. Saint Paul: West, 1991.

MLA引文

Schmidt, Steffen W., and Mack C. Shelley. American Government and Politics Today. West, 1991.