Hartmann, W., & Pennington, K. (2008). The history of medieval canon law in the Classical Period, 1140-1234: From Gratian to the Decretals of Pope Gregory IX. The Catholic University of America Press.
Chicago Style (17th ed.) CitationHartmann, Wilfried, and Kenneth Pennington. The History of Medieval Canon Law in the Classical Period, 1140-1234: From Gratian to the Decretals of Pope Gregory IX. Washington, D.C.: The Catholic University of America Press, 2008.
MLA (9th ed.) CitationHartmann, Wilfried, and Kenneth Pennington. The History of Medieval Canon Law in the Classical Period, 1140-1234: From Gratian to the Decretals of Pope Gregory IX. The Catholic University of America Press, 2008.
Warning: These citations may not always be 100% accurate.