Cite

The Elk-horn Pyramid, on the Upper Missouri. Vig. XXI

MLA

Bodmer, Karl, 1809-1893. The Elk-horn Pyramid, on the Upper Missouri. Vig. XXI. 1842. https://collections.library.yale.edu/catalog/2001621.

APA, 6th edition

Bodmer, Karl, 1809-1893. (1842)[The Elk-horn Pyramid, on the Upper Missouri. Vig. XXI]. https://collections.library.yale.edu/catalog/2001621.