MLA
Students, Groups, 1940s-1950s - Man Writing in Book While Students Stand behind Him. 1940. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 19, Folder 1. https://digital.library.emory.edu/purl/293gxd25xh-cor.
APA, 6th edition
Students, groups, 1940s-1950s - Man writing in book while students stand behind him (Box 19, Folder 1). (1940). [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/293gxd25xh-cor.
Chicago
“Students, Groups, 1940s-1950s - Man Writing in Book While Students Stand behind Him.” 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/293gxd25xh-cor.