Cita APA (7th ed.)

Bardes, B. A. (2010). American government and politics today: The essentials (2009-2010 ed.). wadsworth Cengage Learning.

Cita Chicago (17th ed.)

Bardes, Barbara A. American Government and Politics Today: The Essentials. 2009-2010 ed. Boston, MA: wadsworth Cengage Learning, 2010.

Cita MLA (9th ed.)

Bardes, Barbara A. American Government and Politics Today: The Essentials. 2009-2010 ed. wadsworth Cengage Learning, 2010.