MLA
Four Men Working in a Factory Surrounded by Machinery, All Wearing Hats. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 29. https://digital.library.emory.edu/purl/97634tmpm7-cor.
APA, 6th edition
Four men working in a factory surrounded by machinery, all wearing hats (Box 29). [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/97634tmpm7-cor.
Chicago
“Four Men Working in a Factory Surrounded by Machinery, All Wearing Hats.” Black-and-white photographs. Robert Langmuir African American Photograph Collection, n.d. Box 29. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/97634tmpm7-cor.