MLA
Brothers, Lane. Students, Groups, 1940s-1950s - Portrait of Student. 1940. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 18, Folder 4. https://digital.library.emory.edu/purl/590dv41pkm-cor.
APA, 6th edition
Brothers, L. (1940). Students, groups, 1940s-1950s - Portrait of student (Box 18, Folder 4) [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/590dv41pkm-cor.
Chicago
Brothers, Lane. “Students, Groups, 1940s-1950s - Portrait of Student.” Black-and-white photographs. EU Office of Alumni Publications Photos Deposit Collection 2 , 1940. Box 18, Folder 4. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/590dv41pkm-cor.