Cite

Draft of the Columbia River, Point Adams, and south along the coast [and] Map from a "Clott Sopp Ind.," about early 1806

MLA

Clark, William, 1770-1838, Lewis, Meriwether, 1774-180. Draft of the Columbia River, Point Adams, and south along the coast [and] Map from a "Clott Sopp Ind.," about early 1806. Box 2 | Folder 53r. 1806?. https://collections.library.yale.edu/catalog/2002503.

APA, 6th edition

Clark, William, 1770-1838, & Lewis, Meriwether, 1774-180. (["Box 2 | Folder 53r"])(1806?)[Draft of the Columbia River, Point Adams, and south along the coast [and] Map from a "Clott Sopp Ind.," about early 1806]. https://collections.library.yale.edu/catalog/2002503.