Cite

Route about May 19-24, 1805, and Lewis's route about July 31-August 1, 1806

MLA

Clark, William, 1770-1838, Lewis, Meriwether, 1774-180. Route about May 19-24, 1805, and Lewis's route about July 31-August 1, 1806. Box 1 | Folder 24r. 1806?. https://collections.library.yale.edu/catalog/2002468.

APA, 6th edition

Clark, William, 1770-1838, & Lewis, Meriwether, 1774-180. (["Box 1 | Folder 24r"])(1806?)[Route about May 19-24, 1805, and Lewis's route about July 31-August 1, 1806]. https://collections.library.yale.edu/catalog/2002468.