MLA

Statuta Antiqua Ordinis Cartusiensis in Tribus Partibus Comprehensa (Fragment). 0AD. https://collections.library.yale.edu/catalog/2003705.

APA, 6th edition

Statuta antiqua ordinis cartusiensis in tribus partibus comprehensa (fragment). (0 C.E.). [Manuscripts, Medieval Germany 14th century, Manuscripts, Medieval Germany 15th century, Medieval and Renaissance Manuscript Fragments in Beinecke Library, Medieval and Renaissance Manuscripts in Beinecke Library]. https://collections.library.yale.edu/catalog/2003705.