Clark's Map of the Grand Tower, route about November 25, 1803
MLA
Clark, William, 1770-1838, Lewis, Meriwether, 1774-180. Clark's Map of the Grand Tower, route about November 25, 1803. Box 1 | Folder 3v. 1803?. https://collections.library.yale.edu/catalog/2002444.
APA, 6th edition
Clark, William, 1770-1838, & Lewis, Meriwether, 1774-180. (["Box 1 | Folder 3v"])(1803?)[Clark's Map of the Grand Tower, route about November 25, 1803]. https://collections.library.yale.edu/catalog/2002444.