Cite

The wagon train en route

MLA

Sully, Alfred, 1821-1879. The wagon train en route. [ca. 1856]. https://collections.library.yale.edu/catalog/2068071.

APA, 6th edition

Sully, Alfred, 1821-1879. ([ca. 1856])[The wagon train en route]. https://collections.library.yale.edu/catalog/2068071.