APA (7th ed.) Citation

Discantus (Musical group), Herrad, o. L., Hildegard, S., & Lesne, B. (1998). Hortus deliciarum. Opus 111.

Chicago Style (17th ed.) Citation

Discantus (Musical group), of Landsberg Herrad, Saint Hildegard, and Brigitte Lesne. Hortus Deliciarum. Paris, France: Opus 111, 1998.

MLA (8th ed.) Citation

Discantus (Musical group), et al. Hortus Deliciarum. Opus 111, 1998.