Moralia in Job.
MLA
Gregory I, Pope, ca. 540-604. Moralia in Job.. 1388 January.. https://collections.library.yale.edu/catalog/10268318.
APA, 6th edition
Gregory I, Pope, ca. 540-604. (1388 January.)[Moralia in Job.]. https://collections.library.yale.edu/catalog/10268318.