Cita APA

Coyle, D. C. (1954). The united states political system and how it works. The New American Library.

Citación estilo Chicago

Coyle, David Cushman. The United States Political System and How It Works. New York: The New American Library, 1954.

Cita MLA

Coyle, David Cushman. The United States Political System and How It Works. New York: The New American Library, 1954.