MLA
Thompson, Darrell. Students, Groups, 1960s - Two Students Sunbathing in the Grass. 1960. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 19, Folder 4. https://digital.library.emory.edu/purl/4881jwsvgt-cor.
APA, 6th edition
Thompson, D. (1960). Students, groups, 1960s - Two students sunbathing in the grass (Box 19, Folder 4) [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/4881jwsvgt-cor.
Chicago
Thompson, Darrell. “Students, Groups, 1960s - Two Students Sunbathing in the Grass.” Black-and-white photographs. EU Office of Alumni Publications Photos Deposit Collection 2 , 1960. Box 19, Folder 4. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/4881jwsvgt-cor.