APA-referens (7:e uppl.)

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

Chicago-referens (17:e uppl.)

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

MLA-referens (9:e uppl.)

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