MLA

Wagstaff Miscellany. 0AD. https://collections.library.yale.edu/catalog/2003060.

APA, 6th edition

Wagstaff miscellany. (0 C.E.). [Early works to 1800, Commonplace books England 14th century, Commonplace books England 15th century, Manuscripts, Medieval England 14th century, Manuscripts, Medieval England 15th century, Medieval and Renaissance Manuscripts in Beinecke Library]. https://collections.library.yale.edu/catalog/2003060.