APA (7th ed.) Citation

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.) Citation

Burns, 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.) Citation

Burns, 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.