Cita APA

Coyle, D. C. (1954). Unites States political system and how it works. New York: Signet.

Citación estilo Chicago

Coyle, David Cushman. Unites States Political System and How It Works. New York: Signet, 1954.

Cita MLA

Coyle, David Cushman. Unites States Political System and How It Works. New York: Signet, 1954.