Burns, R. I. (1990). Emperor of culture: Alfonso X the Learned of Castile and his thirteenth-century Renaissance. University of. Pennsylvania Press.
Chicago Style (17th ed.) CitationBurns, Robert Ignatius. Emperor of Culture: Alfonso X the Learned of Castile and His Thirteenth-century Renaissance. Philadelphia, Pa: University of. Pennsylvania Press, 1990.
MLA (8th ed.) CitationBurns, Robert Ignatius. Emperor of Culture: Alfonso X the Learned of Castile and His Thirteenth-century Renaissance. University of. Pennsylvania Press, 1990.
Warning: These citations may not always be 100% accurate.