MLA
Library - Workers Refilling a Coke Vending Machine. 1940. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 1, Folder 10. https://digital.library.emory.edu/purl/0106wwq00p-cor.
APA, 6th edition
Library - Workers refilling a Coke vending machine (Box 1, Folder 10). (1940). [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/0106wwq00p-cor.
Chicago
“Library - Workers Refilling a Coke Vending Machine.” Black-and-white photographs. Emory University Office of Alumni Publications Photographs, 1940. Box 1, Folder 10. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/0106wwq00p-cor.