APA (7th ed.) Citation

Ferzoco, G., Kienzle, B., & Stoudt, D. (2013). A Companion to Hildegard of Bingen. BRILL.

Chicago Style (17th ed.) Citation

Ferzoco, George, Beverly Kienzle, and Debra Stoudt. A Companion to Hildegard of Bingen. Leiden: BRILL, 2013.

MLA (9th ed.) Citation

Ferzoco, George, et al. A Companion to Hildegard of Bingen. BRILL, 2013.