Cita APA (7th ed.)

Volkomer, W. E., & Smith, C. D. (2001). American government (9th ed.). Prentice Hall.

Cita Chicago (17th ed.)

Volkomer, Walter E., i Carolyn D. Smith. American Government. 9th ed. Upper Saddle River, N.J: Prentice Hall, 2001.

Cita MLA (9th ed.)

Volkomer, Walter E., i Carolyn D. Smith. American Government. 9th ed. Prentice Hall, 2001.