APA Edition Citation

Hardt, M., & Negri, A. (2001). Empire / Michael Hardt ; Antonio Negri (n.e.). Harvard University Press.

Chicago Edition Citation

Hardt, Michael, and Antonio Negri. Empire / Michael Hardt ; Antonio Negri. n.e. Cambridge, Mass.: Harvard University Press, 2001.

MLA Edition Citation

Hardt, Michael, and Antonio Negri. Empire / Michael Hardt ; Antonio Negri. n.e. Harvard University Press, 2001.