Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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