MLA

Brown, M. E. D. American Buffaloe. Pl. 15. 0AD. https://collections.library.yale.edu/catalog/2018826.

APA, 6th edition

Brown, M. E. D. (0 C.E.). American buffaloe. pl. 15 [Drawings, Illustrations, Lithographs]. https://collections.library.yale.edu/catalog/2018826.