MLA
Block, Bates. School of Medicine - Medical Students at Grady Hospital Looking at X-Rays. 1940. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 11, Folder 1. https://digital.library.emory.edu/purl/8708w9gjn9-cor.
APA, 6th edition
Block, B. (1940). School of Medicine - Medical students at Grady Hospital looking at X-Rays (Box 11, Folder 1) [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/8708w9gjn9-cor.
Chicago
Block, Bates. “School of Medicine - Medical Students at Grady Hospital Looking at X-Rays.” Black-and-white photographs. EU Office of Alumni Publications Photos Deposit Collection 1, 1940. Box 11, Folder 1. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/8708w9gjn9-cor.