APA (7e ed.) Bronvermelding

De Grazia, A. (1965). The elements of political science (New rev. ed.). The Free Press.

Chicago (17e ed.) Bronvermelding

De Grazia, Alfred. The Elements of Political Science. New rev. ed. N.Y.: The Free Press, 1965.

MLA (8e ed.) Bronvermelding

De Grazia, Alfred. The Elements of Political Science. New rev. ed. The Free Press, 1965.