Cita APA (7a ed.)

Pennington, K. (1984). Pope and bishops: The papal monarchy in the twelfth and thirteenth centuries. University of Pensylvania Press.

Cita Chicago Style (17a ed.)

Pennington, Kenneth. Pope and Bishops: The Papal Monarchy in the Twelfth and Thirteenth Centuries. [s.l.]: University of Pensylvania Press, 1984.

Cita MLA (9a ed.)

Pennington, Kenneth. Pope and Bishops: The Papal Monarchy in the Twelfth and Thirteenth Centuries. University of Pensylvania Press, 1984.