Cita APA (7a ed.)

Demacopoulos, G. E., & Muse, P. (2015). Gregory the Great: Ascetic, Pastor, and First Man of Rome. University of Notre Dame Press.

Cita Chicago Style (17a ed.)

Demacopoulos, George E., y Project Muse. Gregory the Great: Ascetic, Pastor, and First Man of Rome. [Place of publication not identified]: University of Notre Dame Press, 2015.

Cita MLA (8a ed.)

Demacopoulos, George E., y Project Muse. Gregory the Great: Ascetic, Pastor, and First Man of Rome. University of Notre Dame Press, 2015.