Cite

Area of the junction of the Musselshell and Missouri rivers, route about May 20, 1805 [and] Sketches of falls of the Missouri, route about June-July 1805

MLA

Clark, William, 1770-1838, Lewis, Meriwether, 1774-180. Area of the junction of the Musselshell and Missouri rivers, route about May 20, 1805 [and] Sketches of falls of the Missouri, route about June-July 1805. Box 1 | Folder 25r. 1805?. https://collections.library.yale.edu/catalog/2002470.

APA, 6th edition

Clark, William, 1770-1838, & Lewis, Meriwether, 1774-180. (["Box 1 | Folder 25r"])(1805?)[Area of the junction of the Musselshell and Missouri rivers, route about May 20, 1805 [and] Sketches of falls of the Missouri, route about June-July 1805]. https://collections.library.yale.edu/catalog/2002470.