Cite

Route about July 27, 1806

MLA

Clark, William, 1770-1838. Route about July 27, 1806. Box 2, folder 64. circa 1803-1810. https://collections.library.yale.edu/catalog/2002520.

APA, 6th edition

Clark, William, 1770-1838. (["Box 2, folder 64"])(circa 1803-1810)[Route about July 27, 1806]. https://collections.library.yale.edu/catalog/2002520.