APA (7th ed.) Citation

Coyle, D. C. (1963). The United States political system, and how it works (Rev. ed.). New American Library [etc.].

Chicago Style (17th ed.) Citation

Coyle, David Cushman. The United States Political System, and How It Works. Rev. ed. New York [etc.]: New American Library [etc.], 1963.

MLA (9th ed.) Citation

Coyle, David Cushman. The United States Political System, and How It Works. Rev. ed. New American Library [etc.], 1963.

Warning: These citations may not always be 100% accurate.