September 22-26, 1804
MLA
Clark, William, 1770-1838. September 22-26, 1804. Box 1, folder 57. 1803-1805. https://collections.library.yale.edu/catalog/2002997.
APA, 6th edition
Clark, William, 1770-1838. (["Box 1, folder 57"])(1803-1805)[September 22-26, 1804]. https://collections.library.yale.edu/catalog/2002997.