MLA
An African American Man in a Suit and Hat with a Boutonniere Seated on a Bench with an African American Woman in a Dress in Front of a Painted Backdrop. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 8. https://digital.library.emory.edu/purl/1848pk0p74-cor.
APA, 6th edition
An African American man in a suit and hat with a boutonniere seated on a bench with an African American woman in a dress in front of a painted backdrop (Box 8). [Card photographs (photographs)]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/1848pk0p74-cor.
Chicago
“An African American Man in a Suit and Hat with a Boutonniere Seated on a Bench with an African American Woman in a Dress in Front of a Painted Backdrop.” Card photographs (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/1848pk0p74-cor.