Cite

Draft of the mouth of the Columbia River and Haleys Bay [and] Draft of the mouth of the Columbia River and Point William

MLA

Clark, William, 1770-1838, Lewis, Meriwether, 1774-180. Draft of the mouth of the Columbia River and Haleys Bay [and] Draft of the mouth of the Columbia River and Point William. Box 2 | Folder 51v. undated. https://collections.library.yale.edu/catalog/2002501.

APA, 6th edition

Clark, William, 1770-1838, & Lewis, Meriwether, 1774-180. (["Box 2 | Folder 51v"])(undated)[Draft of the mouth of the Columbia River and Haleys Bay [and] Draft of the mouth of the Columbia River and Point William]. https://collections.library.yale.edu/catalog/2002501.