MLA
Governor James Duff in a Suit with a Boutonniere Standing with an African American Man in a Suit and Vest, Together Holding a Piece of Paper with a Flag in the Background. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 32. https://digital.library.emory.edu/purl/006sxksn4j-cor.
APA, 6th edition
Governor James Duff in a suit with a boutonniere standing with an African American man in a suit and vest, together holding a piece of paper with a flag in the background (Box 32). [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/006sxksn4j-cor.
Chicago
“Governor James Duff in a Suit with a Boutonniere Standing with an African American Man in a Suit and Vest, Together Holding a Piece of Paper with a Flag in the Background.” Black-and-white photographs. Robert Langmuir African American Photograph Collection, n.d. Box 32. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/006sxksn4j-cor.