Cite

Blackfeet Indians on horseback. Vig. XIX

MLA

Bodmer, Karl, 1809-1893. Blackfeet Indians on horseback. Vig. XIX. 1840. https://collections.library.yale.edu/catalog/2001619.

APA, 6th edition

Bodmer, Karl, 1809-1893. (1840)[Blackfeet Indians on horseback. Vig. XIX]. https://collections.library.yale.edu/catalog/2001619.