APA (7th ed.) Citation

Franco, o. C., Reaney, G., & Gilles, A. (1974). Ars cantus mensurabilis. American Institute of Musicology.

Chicago Style (17th ed.) Citation

Franco, of Cologne, Gilbert Reaney, and André Gilles. Ars Cantus Mensurabilis. [Dallas?]: American Institute of Musicology, 1974.

MLA (9th ed.) Citation

Franco, of Cologne, et al. Ars Cantus Mensurabilis. American Institute of Musicology, 1974.