MLA

Koba, 1848-1880. Copy drawing in graphite and colored pencil of the Thunderbird within an arc of lightning.. volume 1, page 29. circa 1878-1880. https://collections.library.yale.edu/catalog/33234025.

APA, 6th edition

Koba, 1848-1880. (["volume 1, page 29"])(circa 1878-1880)[Copy drawing in graphite and colored pencil of the Thunderbird within an arc of lightning.]. https://collections.library.yale.edu/catalog/33234025.