MLA
Unusual Weather on Campus - Two Students Posing for Photograph. 1970. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 3, Folder 7. https://digital.library.emory.edu/purl/781jh9w1gn-cor.
APA, 6th edition
Unusual weather on campus - Two students posing for photograph (Box 3, Folder 7). (1970). [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/781jh9w1gn-cor.
Chicago
“Unusual Weather on Campus - Two Students Posing for Photograph.” Black-and-white photographs. Emory University Office of Alumni Publications Photographs, 1970. Box 3, Folder 7. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/781jh9w1gn-cor.