MLA

Page, Christopher. Voices and Instruments of the Middle Ages: Instrumental Practice and Songs In France 1100-1300. London: J. M. Dent & Sons LTD, 1987.

APA

Page, C. (1987). Voices and instruments of the middle ages: instrumental practice and songs in France 1100-1300. London: J. M. Dent & Sons LTD.

Chicago

Page, Christopher Voices and Instruments of the Middle Ages: Instrumental Practice and Songs In France 1100-1300. London: J. M. Dent & Sons LTD, 1987.