APA (7th ed.) Citation

Coyle, D. C. (1954). The United States political system: And how it works. New American Library.

Chicago Style (17th ed.) Citation

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

MLA (8th ed.) Citation

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