Cite

Harlan, Richard to John Bachman

MLA

Audubon, John James, 1785-1851. Harlan, Richard to John Bachman. Box 7, folder 416. 1834 Feb 23. https://collections.library.yale.edu/catalog/16445240.

APA, 6th edition

Audubon, John James, 1785-1851. (["Box 7, folder 416"])(1834 Feb 23)[Harlan, Richard to John Bachman]. https://collections.library.yale.edu/catalog/16445240.