MLA

Mirour of Mans Salvacioune. 0AD. https://collections.library.yale.edu/catalog/16156712.

APA, 6th edition

Mirour of mans salvacioune. (0 C.E.). [Early works to 1800, Manuscripts, Medieval England 15th century, Medieval and Renaissance Manuscripts in Beinecke Library]. https://collections.library.yale.edu/catalog/16156712.