MLA

Koba, 1848-1880. Drawing in colored pencil with watercolor of a painted tipi, and a war shield suspended on a tree behind the lodge, as well as a wagon. volume 1, page 87. circa 1878-1880. https://collections.library.yale.edu/catalog/33234033.

APA, 6th edition

Koba, 1848-1880. (["volume 1, page 87"])(circa 1878-1880)[Drawing in colored pencil with watercolor of a painted tipi, and a war shield suspended on a tree behind the lodge, as well as a wagon]. https://collections.library.yale.edu/catalog/33234033.