APA (7th ed.) Citation
Plainsong and Mediaeval Music Society (Great Britain) & Cambridge University Press. Plainsong and medieval music. Cambridge University Press.
Chicago Style (17th ed.) Citation
Plainsong and Mediaeval Music Society (Great Britain) and Cambridge University Press. Plainsong and Medieval Music. [Cambridge, England]: Cambridge University Press.
MLA (9th ed.) Citation
Plainsong and Mediaeval Music Society (Great Britain) and Cambridge University Press. Plainsong and Medieval Music. Cambridge University Press.
Warning: These citations may not always be 100% accurate.