APA (7th ed.) Citation

Ladd, E. C. (1989). The American polity: The people and their government (3rd ed.). W.W. Norton.

Chicago Style (17th ed.) Citation

Ladd, Everett Carll. The American Polity: The People and Their Government. 3rd ed. New York: W.W. Norton, 1989.

MLA (9th ed.) Citation

Ladd, Everett Carll. The American Polity: The People and Their Government. 3rd ed. W.W. Norton, 1989.