MLA

Parker, Peter, 1804-1888. Photograph Album of Canton Hospital. Box 9, folder 3. n.d.. https://collections.library.yale.edu/catalog/16808851.

APA, 6th edition

Parker, Peter, 1804-1888. (["Box 9, folder 3"])(n.d.)[Photograph Album of Canton Hospital]. https://collections.library.yale.edu/catalog/16808851.