MLA

Hughes, Dom Anselm, and Gerald Abraham. Ars Nova and the Renaissance 1300-1540. 8th ed. London: Oxford University Press, 1991.

APA

Hughes, D. Anselm, & Abraham, G. (1991). Ars nova and the Renaissance 1300-1540. 8th ed. London: Oxford University Press.

Chicago

Hughes, Dom Anselm ed., and Gerald Abraham ed. Ars Nova and the Renaissance 1300-1540. 8th ed. London: Oxford University Press, 1991.