Route about October 15-20, 1805, and return camps April 27-30, 1806
MLA
Clark, William, 1770-1838, Lewis, Meriwether, 1774-180. Route about October 15-20, 1805, and return camps April 27-30, 1806. Box 2 | Folder 39. 1805-1806?. https://collections.library.yale.edu/catalog/2002487.
APA, 6th edition
Clark, William, 1770-1838, & Lewis, Meriwether, 1774-180. (["Box 2 | Folder 39"])(1805-1806?)[Route about October 15-20, 1805, and return camps April 27-30, 1806]. https://collections.library.yale.edu/catalog/2002487.