Citazione Stile APA (7a Edizione)

Young, O. R. (1968). Systems of political science. Prentice-Hall.

Citazione stile Chigago Style (17a edizione)

Young, Oran R. Systems of Political Science. Englewood Cliffs: Prentice-Hall, 1968.

Citatione MLA (9a ed.)

Young, Oran R. Systems of Political Science. Prentice-Hall, 1968.