MLA
Services, Emory University Photographic. Faculty and Staff, Groups - Group of People Singing during Event. 1940. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 14, Folder 6. https://digital.library.emory.edu/purl/460qrfj7g3-cor.
APA, 6th edition
Services, E. U. P. (1940). Faculty and staff, groups - Group of people singing during event (Box 14, Folder 6) [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/460qrfj7g3-cor.
Chicago
Services, Emory University Photographic. “Faculty and Staff, Groups - Group of People Singing during Event.” Black-and-white photographs. EU Office of Alumni Publications Photos Deposit Collection 1, 1940. Box 14, Folder 6. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/460qrfj7g3-cor.