Cita APA (7th ed.)

Patterson, T. E. (1994). The American democracy (2nd ed.). McGraw-Hill.

Cita Chicago (17th ed.)

Patterson, Thomas E. The American Democracy. 2nd ed. New York: McGraw-Hill, 1994.

Cita MLA (9th ed.)

Patterson, Thomas E. The American Democracy. 2nd ed. McGraw-Hill, 1994.