MLA

Fox, George W., 1853-1886. Fourteen American Indians shown from behind, listening to an American Indian woman addressing them. Box 1, folder 7. 1876. https://collections.library.yale.edu/catalog/32580391.

APA, 6th edition

Fox, George W., 1853-1886. (["Box 1, folder 7"])(1876)[Fourteen American Indians shown from behind, listening to an American Indian woman addressing them]. https://collections.library.yale.edu/catalog/32580391.