Opera omnia

MLA

Dufay, Guillaume, and Heinrich Besseler. Opera Omnia. Rome: American Institute of Musicology in Rome, 1964.

APA

Dufay, G., & Besseler, H. (1964). Opera omnia. Rome: American Institute of Musicology in Rome.

Chicago

Dufay, Guillaume Opera Omnia. Edited by Heinrich Besseler. Rome: American Institute of Musicology in Rome, 1964.