Cite

De summo bono and John of Wales, Communiloquium

MLA

Isidore, of Seville, Saint, -636. De summo bono and John of Wales, Communiloquium. [ca. 1300]. https://collections.library.yale.edu/catalog/32242881.

APA, 6th edition

Isidore, of Seville, Saint, -636. ([ca. 1300])[De summo bono and John of Wales, Communiloquium]. https://collections.library.yale.edu/catalog/32242881.