Continuation of July 21-22, 1804. Description of the mouth of the Platte
MLA
Clark, William, 1770-1838. Continuation of July 21-22, 1804. Description of the mouth of the Platte. Box 1, folder 34. 1803-1805. https://collections.library.yale.edu/catalog/2002974.
APA, 6th edition
Clark, William, 1770-1838. (["Box 1, folder 34"])(1803-1805)[Continuation of July 21-22, 1804. Description of the mouth of the Platte]. https://collections.library.yale.edu/catalog/2002974.