MLA
Roberts, Joshua. Students, Groups, 1970s - Students Sunbathing next to Pond. 1970. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 20, Folder 4. https://digital.library.emory.edu/purl/078gf1vjbw-cor.
APA, 6th edition
Roberts, J. (1970). Students, groups, 1970s - Students sunbathing next to pond (Box 20, Folder 4) [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/078gf1vjbw-cor.
Chicago
Roberts, Joshua. “Students, Groups, 1970s - Students Sunbathing next to Pond.” Black-and-white photographs. EU Office of Alumni Publications Photos Deposit Collection 2 , 1970. Box 20, Folder 4. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/078gf1vjbw-cor.