Decretals

Chicago citation style
Gregory IX. Decretals. 1300 - 1325. Retrieved from the Digital Public Library of America, http://libwww.freelibrary.org/diglib/searchItem.cfm?itemID=mcai660172. (Accessed December 12, 2018.)
APA citation style
Gregory IX, (1300 - 1325) Decretals. Retrieved from the Digital Public Library of America, http://libwww.freelibrary.org/diglib/searchItem.cfm?itemID=mcai660172
MLA citation style
Gregory IX. Retrieved from the Digital Public Library of America <http://libwww.freelibrary.org/diglib/searchItem.cfm?itemID=mcai660172>.
Note: These citations are programmatically generated and may be incomplete.