Cite

Lessons for the Mass (from a Lectionary or Missal) (fragment).

MLA

Lessons for the Mass (from a Lectionary or Missal) (Fragment). 0AD. https://collections.library.yale.edu/catalog/2004080.

APA, 6th edition

Lessons for the Mass (from a Lectionary or Missal) (fragment). (0 C.E.). [Manuscripts, Medieval Switzerland 13th century, Medieval and Renaissance Manuscript Fragments in Beinecke Library, Medieval and Renaissance Manuscripts in Beinecke Library]. https://collections.library.yale.edu/catalog/2004080.