APA

Benn S. I., . (19641959). Principles of political thought. New York: Collier Books.

Chicago

Benn Stanley I, . 19641959. Principles of political thought. New York: Collier Books.

Harvard

Benn S. I., . (19641959). Principles of political thought. New York: Collier Books.

MLA

Benn Stanley I, . Principles of political thought. New York: Collier Books. 19641959.