Citazione Stile APA (7a Edizione)

Hill, N. L. (1950). International relations: Documents and readings. Oxford University Press.

Citazione stile Chigago Style (17a edizione)

Hill, Norman Llewellyn. International Relations: Documents and Readings. New York: Oxford University Press, 1950.

Citatione MLA (9a ed.)

Hill, Norman Llewellyn. International Relations: Documents and Readings. Oxford University Press, 1950.