Cita APA (7a ed.)

Negri, A., Hardt, M., Zoilo, D., & Emery, E. (2008). Reflections on Empire (English ed.). Polity.

Cita Chicago Style (17a ed.)

Negri, Antonio, Michael Hardt, Danilo Zoilo, y Ed Emery. Reflections on Empire. English ed. Cambridge [etc.]: Polity, 2008.

Cita MLA (9a ed.)

Negri, Antonio, et al. Reflections on Empire. English ed. Polity, 2008.