MLA
Services, Emory University Photographic. Students, Groups, 1970s - People in Academic Regalia Sitting around a Conference Table. 1970. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 21, Folder 3. https://digital.library.emory.edu/purl/914nk98t93-cor.
APA, 6th edition
Services, E. U. P. (1970). Students, groups, 1970s - People in academic regalia sitting around a conference table (Box 21, Folder 3) [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/914nk98t93-cor.
Chicago
Services, Emory University Photographic. “Students, Groups, 1970s - People in Academic Regalia Sitting around a Conference Table.” Black-and-white photographs. EU Office of Alumni Publications Photos Deposit Collection 2 , 1970. Box 21, Folder 3. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/914nk98t93-cor.