Cita APA (7th ed.)

Skidmore, M. J., & Tripp, M. C. (1977). American government: A brief introduction (Second edition.). St. Martin's Press.

Cita Chicago (17th ed.)

Skidmore, Max J., i Marshall Carter Tripp. American Government: A Brief Introduction. Second edition. New York: St. Martin's Press, 1977.

Cita MLA (9th ed.)

Skidmore, Max J., i Marshall Carter Tripp. American Government: A Brief Introduction. Second edition. St. Martin's Press, 1977.

Atenció: Aquestes cites poden no estar 100% correctes.