APA (7th ed.) Citation

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. Catholic University of America Press.

Chicago Style (17th ed.) Citation

Hartmann, 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.: Catholic University of America Press, 2008.

MLA (8th ed.) Citation

Hartmann, 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. Catholic University of America Press, 2008.

Warning: These citations may not always be 100% accurate.