Cite

Gemma animae, etc

MLA

Honorius, of Autun, approximately 1080-approximately 1156. Gemma animae, etc. [between 1175 and 1200, ca. 1200]. https://collections.library.yale.edu/catalog/2052983.

APA, 6th edition

Honorius, of Autun, approximately 1080-approximately 1156. ([between 1175 and 1200, ca. 1200])[Gemma animae, etc]. https://collections.library.yale.edu/catalog/2052983.