May 23-24, 1804
MLA
Clark, William, 1770-1838. May 23-24, 1804. Box 1, folder 13. 1803-1805. https://collections.library.yale.edu/catalog/2002955.
APA, 6th edition
Clark, William, 1770-1838. (["Box 1, folder 13"])(1803-1805)[May 23-24, 1804]. https://collections.library.yale.edu/catalog/2002955.