Cita APA (7a ed.)

Patterson, T. E. (1999). The American democracy (4. ed.). McGraw-Hill.

Cita Chicago Style (17a ed.)

Patterson, Thomas E. The American Democracy. 4. ed. Boston, Mass. [u.a.]: McGraw-Hill, 1999.

Cita MLA (9a ed.)

Patterson, Thomas E. The American Democracy. 4. ed. McGraw-Hill, 1999.