Gaya APA

Ph.D, C, E, M. (1968). A History of American Political Theories . New York: Russell & Russell, A Devision of Atheneum House.

Gaya MLA

Ph.D, Charles, Erdward, Merriam,. "A History of American Political Theories". New York: Russell & Russell, A Devision of Atheneum House, 1968. Koleksi Elektronik.