MLA

Koba, 1848-1880. Copy drawing in graphite of a studio portrait photograph that depicts Kiowa Indian chief Stumbling Bear (also known as Set-tim-geah) (1832-1903) created in 1869 by photographer William S. Soule (1836-1908), and a watercolor of a war shield with red-wool-cloth drape and eagle feathers. volume 1, page 125. circa 1878-1880. https://collections.library.yale.edu/catalog/33234045.

APA, 6th edition

Koba, 1848-1880. (["volume 1, page 125"])(circa 1878-1880)[Copy drawing in graphite of a studio portrait photograph that depicts Kiowa Indian chief Stumbling Bear (also known as Set-tim-geah) (1832-1903) created in 1869 by photographer William S. Soule (1836-1908), and a watercolor of a war shield with red-wool-cloth drape and eagle feathers]. https://collections.library.yale.edu/catalog/33234045.