MLA
Two Men and a Woman Standing at Counter with a Large Group of Men and Women behind Them. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 8. https://digital.library.emory.edu/purl/682k6djhh5-cor.
APA, 6th edition
Two men and a woman standing at counter with a large group of men and women behind them (Box 8). [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/682k6djhh5-cor.
Chicago
“Two Men and a Woman Standing at Counter with a Large Group of Men and Women behind Them.” 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/682k6djhh5-cor.