Style de citation APA (7e éd.)

Burns, R. I. (1990). Emperor of culture: Alfonso X the Learned of Castile and his thirteenth-century Renaissance. University of Pennsylvania Press.

Style de citation Chicago (17e éd.)

Burns, Robert Ignatius. Emperor of Culture: Alfonso X the Learned of Castile and His Thirteenth-century Renaissance. Philadelphia: University of Pennsylvania Press, 1990.

Style de citation MLA (8e éd.)

Burns, Robert Ignatius. Emperor of Culture: Alfonso X the Learned of Castile and His Thirteenth-century Renaissance. University of Pennsylvania Press, 1990.