Cita APA (7a ed.)

Bisson, T. N. (2015). The Crisis of the Twelfth Century: Power, Lordship, and the Origins of European Government. Princeton University Press.

Cita Chicago Style (17a ed.)

Bisson, Thomas N. The Crisis of the Twelfth Century: Power, Lordship, and the Origins of European Government. Princeton: Princeton University Press, 2015.

Cita MLA (8a ed.)

Bisson, Thomas N. The Crisis of the Twelfth Century: Power, Lordship, and the Origins of European Government. Princeton University Press, 2015.