MLA

Leopold, of Austria. Compilatio De Astrorum Scientia. 1480. https://collections.library.yale.edu/catalog/2013552.

APA, 6th edition

Leopold, of A. (1480). Compilatio de astrorum scientia [Early works to 1800, Manuscripts, Medieval Germany 15th century, Medieval and Renaissance Manuscripts in Beinecke Library]. https://collections.library.yale.edu/catalog/2013552.