MLA
Security Guards in Uniform from Security Guards Investigations Standing by Their Car Outside Browns. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 8. https://digital.library.emory.edu/purl/924wh70s52-cor.
APA, 6th edition
Security guards in uniform from Security Guards Investigations standing by their car outside Browns (Box 8). [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/924wh70s52-cor.
Chicago
“Security Guards in Uniform from Security Guards Investigations Standing by Their Car Outside Browns.” Black-and-white photographs. Robert Langmuir African American Photograph Collection, n.d. Box 8. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/924wh70s52-cor.