Sermons, etc
MLA
Conrad, of Saxony. Sermons, Etc. 0AD. https://collections.library.yale.edu/catalog/9998828.
APA, 6th edition
Conrad, of S. (0 C.E.). Sermons, etc [Early works to 1800, Manuscripts, Medieval England 15th century, Medieval and Renaissance Manuscripts in Beinecke Library]. https://collections.library.yale.edu/catalog/9998828.