MLA
Rudolph, N. V., and Co. Dr. C. H. Fitch's Prescription Scale Owned by Dr. William Mundy. 1880. Robert W. Woodruff Health Sciences Center. Library, Box 1. https://digital.library.emory.edu/purl/631cjsxm0f-cor.
APA, 6th edition
Rudolph, N. V., & C. (1880). Dr. C. H. Fitch's Prescription Scale owned by Dr. William Mundy (Box 1) [Scales (weighing devices)]. Robert W. Woodruff Health Sciences Center. Library. https://digital.library.emory.edu/purl/631cjsxm0f-cor.
Chicago
Rudolph, N.V., and Co. “Dr. C. H. Fitch's Prescription Scale Owned by Dr. William Mundy.” Scales (weighing devices). Health Sciences Center Library Artifact Collection, 1880. Box 1. Robert W. Woodruff Health Sciences Center. Library. https://digital.library.emory.edu/purl/631cjsxm0f-cor.