Cite

Route about April 29-May 7, 1805, and Lewis's route about August 1-4, 1806

MLA

Clark, William, 1770-1838, Lewis, Meriwether, 1774-180. Route about April 29-May 7, 1805, and Lewis's route about August 1-4, 1806. Box 1 | Folder 22v. 1806?. https://collections.library.yale.edu/catalog/12426040.

APA, 6th edition

Clark, William, 1770-1838, & Lewis, Meriwether, 1774-180. (["Box 1 | Folder 22v"])(1806?)[Route about April 29-May 7, 1805, and Lewis's route about August 1-4, 1806]. https://collections.library.yale.edu/catalog/12426040.