Citazione Stile APA (7a Edizione)

Barber, J. D. (1964). Political leadership in american government. Little, Brown and Company.

Citazione stile Chigago Style (17a edizione)

Barber, James David. Political Leadership in American Government. Boston: Little, Brown and Company, 1964.

Citatione MLA (9a ed.)

Barber, James David. Political Leadership in American Government. Little, Brown and Company, 1964.