MLA

Fisher, Robert B., 1919-2004. Daguerreotype, in a case, studio portrait of a man seated and wearing a hat, holding a cane, and leaning on a stack of books. Box 1, folder 8. circa 1850. https://collections.library.yale.edu/catalog/33483829.

APA, 6th edition

Fisher, Robert B., 1919-2004. (["Box 1, folder 8"])(circa 1850)[Daguerreotype, in a case, studio portrait of a man seated and wearing a hat, holding a cane, and leaning on a stack of books]. https://collections.library.yale.edu/catalog/33483829.