APA

Benn S. I., Peters R. S., . (1965). Principles of political thought. New York: Free Press.

Chicago

Benn Stanley I, Peters Richard Stanley, . 1965. Principles of political thought. New York: Free Press.

Harvard

Benn S. I., Peters R. S., . (1965). Principles of political thought. New York: Free Press.

MLA

Benn Stanley I, Peters Richard Stanley, . Principles of political thought. New York: Free Press. 1965.