APA
Ed.J.S. Roucer, . (1941). Introduction to politics. New York: Thomas Y. Crowels Co.
Chicago
Ed.J.S. Roucer, . 1941. Introduction to politics. New York: Thomas Y. Crowels Co.
Harvard
Ed.J.S. Roucer, . (1941). Introduction to politics. New York: Thomas Y. Crowels Co.
MLA
Ed.J.S. Roucer, . Introduction to politics. New York: Thomas Y. Crowels Co. 1941.
