Cite

Watercolor self-portrait with a war shield riding a horse and chasing a buffalo

MLA

Koba, 1848-1880. Watercolor self-portrait with a war shield riding a horse and chasing a buffalo. volume 1, page 59. circa 1878-1880. https://collections.library.yale.edu/catalog/33234029.

APA, 6th edition

Koba, 1848-1880. (["volume 1, page 59"])(circa 1878-1880)[Watercolor self-portrait with a war shield riding a horse and chasing a buffalo]. https://collections.library.yale.edu/catalog/33234029.