MLA

of Halberstadt, Pseudo-Haimo. Commentarium in Epistolam Ad Hebraeos (Fragment). 0AD. https://collections.library.yale.edu/catalog/2003612.

APA, 6th edition

of Halberstadt, P.-H. (0 C.E.). Commentarium in Epistolam ad Hebraeos (fragment). [Commentaries, Manuscripts, Medieval Italy 11th century, Medieval and Renaissance Manuscript Fragments in Beinecke Library, Medieval and Renaissance Manuscripts in Beinecke Library]. https://collections.library.yale.edu/catalog/2003612.