Citazione Stile APA (7a Edizione)

Cowling, M. (1963). The nature and limits of political science. University Press.

Citazione stile Chigago Style (17a edizione)

Cowling, Maurice. The Nature and Limits of Political Science. Cambridge [Eng]: University Press, 1963.

Citatione MLA (9a ed.)

Cowling, Maurice. The Nature and Limits of Political Science. University Press, 1963.