Citazione Stile APA (7a Edizione)

Easton, D. (1979). A framework for political analysis. University of Chicago Pr..

Citazione stile Chigago Style (17a edizione)

Easton, David. A Framework for Political Analysis. Chicago: University of Chicago Pr., 1979.

Citatione MLA (9a ed.)

Easton, David. A Framework for Political Analysis. University of Chicago Pr., 1979.