MLA

Bovet, Honore. L'Arbre Des Batailles. 0AD. https://collections.library.yale.edu/catalog/2013559.

APA, 6th edition

Bovet, H. (0 C.E.). L'arbre des batailles [Early works to 1800, Manuscripts, Medieval France 15th century, Medieval and Renaissance Manuscripts in Beinecke Library]. https://collections.library.yale.edu/catalog/2013559.