Gradual

Chicago citation style
First Master of the Gubbio Choirbooks. Gradual. 1290 - 1310. Retrieved from the Digital Public Library of America, http://libwww.freelibrary.org/diglib/searchItem.cfm?itemID=mcai470191. (Accessed December 10, 2018.)
APA citation style
First Master of the Gubbio Choirbooks, (1290 - 1310) Gradual. Retrieved from the Digital Public Library of America, http://libwww.freelibrary.org/diglib/searchItem.cfm?itemID=mcai470191
MLA citation style
First Master of the Gubbio Choirbooks. Retrieved from the Digital Public Library of America <http://libwww.freelibrary.org/diglib/searchItem.cfm?itemID=mcai470191>.
Note: These citations are programmatically generated and may be incomplete.