Cite

Evans's Map 3 (the Expedition's route about September 23-October 3, 1804)

MLA

Lewis, Meriwether, 1774-1809. Evans's Map 3 (the Expedition's route about September 23-October 3, 1804). Box 1 | Folder 6. 1804?. https://collections.library.yale.edu/catalog/2002447.

APA, 6th edition

Lewis, Meriwether, 1774-1809. (["Box 1 | Folder 6"])(1804?)[Evans's Map 3 (the Expedition's route about September 23-October 3, 1804)]. https://collections.library.yale.edu/catalog/2002447.