Route about October 22-30, 1805, and return camps for April 13, 14, 15-17, 19-20, and 21, 1806
MLA
Clark, William, 1770-1838. Route about October 22-30, 1805, and return camps for April 13, 14, 15-17, 19-20, and 21, 1806. Box 2, folder 42. circa 1803-1810. https://collections.library.yale.edu/catalog/2002490.
APA, 6th edition
Clark, William, 1770-1838. (["Box 2, folder 42"])(circa 1803-1810)[Route about October 22-30, 1805, and return camps for April 13, 14, 15-17, 19-20, and 21, 1806]. https://collections.library.yale.edu/catalog/2002490.