MLA
Unusual Weather on Campus - Man Throwing Snowball. Emory University. Office of Alumni Publications., 1967. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 3, Folder 7. https://digital.library.emory.edu/purl/122v41nsm1-cor.
APA, 6th edition
Unusual weather on campus - Man throwing snowball (Box 3, Folder 7). (1967). [Black-and-white photographs]. Emory University. Office of Alumni Publications.; Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/122v41nsm1-cor.
Chicago
“Unusual Weather on Campus - Man Throwing Snowball.” Black-and-white photographs. Emory University Office of Alumni Publications Photographs. Emory University. Office of Alumni Publications., 1967. Box 3, Folder 7. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/122v41nsm1-cor.