APA (7th ed.) Citation

De Grazia, A. (1962). The elements of political science (2a. ed.). Free.

Chicago Style (17th ed.) Citation

De Grazia, Alfred. The Elements of Political Science. 2a. ed. Nueva York: Free, 1962.

MLA (9th ed.) Citation

De Grazia, Alfred. The Elements of Political Science. 2a. ed. Free, 1962.