Gaya APA

Bingen, H, O. (1987). Hildegard of Bingen's book of divine works, with letters and songs. Ed. & introd. by Matthew Fox. : De operatione dei. 1965 . Santa Fe: Santa Fe Bear & Company.

Gaya MLA

Bingen, Hildegard, Of. "Hildegard of Bingen's book of divine works, with letters and songs. Ed. & introd. by Matthew Fox. : De operatione dei. 1965 ". Santa Fe: Santa Fe Bear & Company, 1987. Buku.