Citazione Stile APA (7a Edizione)

(1966). Varieties of political theory. Prentice-Hall.

Citazione stile Chigago Style (17a edizione)

Varieties of Political Theory. Englewood Cliffs, N.J.: Prentice-Hall, 1966.

Citatione MLA (9a ed.)

Varieties of Political Theory. Prentice-Hall, 1966.