APA (7. basım) Alıntı
Demacopoulos, G. E. (2015). Gregory the Great: Ascetic, pastor, and first man of Rome. University of Notre Dame Press.
Chicago Style (17. basım) Atıf
Demacopoulos, George E. Gregory the Great: Ascetic, Pastor, and First Man of Rome. Notre Dame, Indiana: University of Notre Dame Press, 2015.
MLA (9th ed.) Atıf
Demacopoulos, George E. Gregory the Great: Ascetic, Pastor, and First Man of Rome. University of Notre Dame Press, 2015.
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