Cita APA (7th ed.)
Schmidt, S. W., & Shelley,Mack G. (2001). American Government and politics today (2001-2002.). Wadsworth.
Cita Chicago (17th ed.)
Schmidt, Steffen W., i Shelley,Mack G. American Government and Politics Today. 2001-2002. Canada: Wadsworth, 2001.
Cita MLA (9th ed.)
Schmidt, Steffen W., i Shelley,Mack G. American Government and Politics Today. 2001-2002. Wadsworth, 2001.
Atenció: Aquestes cites poden no estar 100% correctes.