APA (7th ed.) Citation

Catlin, G. E. G. (1927). The science and method of politics. A.A. Knopf.

Chicago Style (17th ed.) Citation

Catlin, George Edward Gordon. The Science and Method of Politics. New York: A.A. Knopf, 1927.

MLA (9th ed.) Citation

Catlin, George Edward Gordon. The Science and Method of Politics. A.A. Knopf, 1927.