MLA

Fisher, Robert B., 1919-2004. Daguerreotype, in a case, studio portrait of a man, identified as H. W. Jennings. Box 1, folder 9. circa 1841-1842. https://collections.library.yale.edu/catalog/33483834.

APA, 6th edition

Fisher, Robert B., 1919-2004. (["Box 1, folder 9"])(circa 1841-1842)[Daguerreotype, in a case, studio portrait of a man, identified as H. W. Jennings]. https://collections.library.yale.edu/catalog/33483834.