MLA
Sororities - Students in Alpha Sigma Delta Costume by a Large Ball Prior to a Game of Pushball[?]. 1950. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 17, Folder 4. https://digital.library.emory.edu/purl/897kprr5pf-cor.
APA, 6th edition
Sororities - Students in Alpha Sigma Delta costume by a large ball prior to a game of pushball[?] (Box 17, Folder 4). (1950). [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/897kprr5pf-cor.
Chicago
“Sororities - Students in Alpha Sigma Delta Costume by a Large Ball Prior to a Game of Pushball[?].” Black-and-white photographs. EU Office of Alumni Publications Photos Deposit Collection 1, 1950. Box 17, Folder 4. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/897kprr5pf-cor.