APA (7th ed.) Citation

Johannes, d. G., & Mews, C. J. (2011). Ars musice. Medieval Institute Publications.

Chicago Style (17th ed.) Citation

Johannes, de Grocheo, and C. J. Mews. Ars Musice. Kalamazoo, Mich.: Medieval Institute Publications, 2011.

MLA (9th ed.) Citation

Johannes, de Grocheo, and C. J. Mews. Ars Musice. Medieval Institute Publications, 2011.