Cite

Historia scholastica, [1190s].

MLA

Petrus, Comestor, active 12th century. Historia scholastica, [1190s].. https://collections.library.yale.edu/catalog/2007328.

APA, 6th edition

Petrus, Comestor, active 12th century. [Historia scholastica, [1190s].]. https://collections.library.yale.edu/catalog/2007328.