Patterson, T. E. (1994). The American democracy (2nd ed.). McGraw-Hill.
芝加哥风格引文Patterson, Thomas E. The American Democracy. 2nd ed. New York: McGraw-Hill, 1994.
MLA引文Patterson, Thomas E. The American Democracy. 2nd ed. McGraw-Hill, 1994.
警告：这些引文格式不一定是100％准确.