Citazione Stile APA (7a Edizione)

Hardt, M., & Negri, A. (2001). Empire (First Harvard University Press paperback edition.). Harvard University Press.

Citazione stile Chigago Style (17a edizione)

Hardt, Michael, e Antonio Negri. Empire. First Harvard University Press paperback edition. Cambridge, Massachusetts: Harvard University Press, 2001.

Citatione MLA (9a ed.)

Hardt, Michael, e Antonio Negri. Empire. First Harvard University Press paperback edition. Harvard University Press, 2001.