Cite

McCall, George A. to John Bachman

MLA

Audubon, John James, 1785-1851. McCall, George A. to John Bachman. Box 7, folder 423. 1837 Jul. https://collections.library.yale.edu/catalog/16445243.

APA, 6th edition

Audubon, John James, 1785-1851. (["Box 7, folder 423"])(1837 Jul)[McCall, George A. to John Bachman]. https://collections.library.yale.edu/catalog/16445243.