Viderunt omnes ; Sederunt /
Perotin ; music and texts transcribed with explanatory preface and performance directions by Ethel Thurston.
APA Citation
Pérotin, -., Thurston, E. (1970). Viderunt omnes ; Sederunt. New York: E.F. Kalmus.
MLA Citation
Pérotin, -1238?, and Ethel Thurston. Viderunt Omnes ; Sederunt. New York: E.F. Kalmus, 1970.
Warning: These citations may not always be complete (especially for serials).