MLA
Students, Groups, 1940s-1950s - Student Getting Food from Table Outside, While People Eat in Background. 1940. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 19, Folder 1. https://digital.library.emory.edu/purl/064tht77b3-cor.
APA, 6th edition
Students, groups, 1940s-1950s - Student getting food from table outside, while people eat in background (Box 19, Folder 1). (1940). [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/064tht77b3-cor.
Chicago
“Students, Groups, 1940s-1950s - Student Getting Food from Table Outside, While People Eat in Background.” Black-and-white photographs. EU Office of Alumni Publications Photos Deposit Collection 2 , 1940. Box 19, Folder 1. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/064tht77b3-cor.