APA (7th ed.) Citation
Romanus, M., Maas, P., & Trypanis, C. A. (1970). Sancti Romani Melodi cantica: Cantica Dubia. Walter de Gruyter.
Chicago Style (17th ed.) Citation
Romanus, Melodus, Paul Maas, and C. A. Trypanis. Sancti Romani Melodi Cantica: Cantica Dubia. Berlin: Walter de Gruyter, 1970.
MLA (9th ed.) Citation
Romanus, Melodus, et al. Sancti Romani Melodi Cantica: Cantica Dubia. Walter de Gruyter, 1970.
Warning: These citations may not always be 100% accurate.