Cita APA (7th ed.)
Ferzoco, G., Kienzle, B., & Stoudt, D. (2013). A Companion to Hildegard of Bingen. BRILL.
Cita Chicago (17th ed.)
Ferzoco, George, Beverly Kienzle, i Debra Stoudt. A Companion to Hildegard of Bingen. Leiden: BRILL, 2013.
Cita MLA (9th ed.)
Ferzoco, George, et al. A Companion to Hildegard of Bingen. BRILL, 2013.
Atenció: Aquestes cites poden no estar 100% correctes.