MLA
Williams. An African American Man in a Suit and an African American Woman in a Dress and Hat Together Holding a Knife and Cutting into a Cake with a Figure of a Bride and Groom on Top, the Cake on Top of a Table with Lit Candles on Either Side. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 40. https://digital.library.emory.edu/purl/7375tb2rht-cor.
APA, 6th edition
W. An African American man in a suit and an African American woman in a dress and hat together holding a knife and cutting into a cake with a figure of a bride and groom on top, the cake on top of a table with lit candles on either side (Box 40) [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/7375tb2rht-cor.
Chicago
Williams. “An African American Man in a Suit and an African American Woman in a Dress and Hat Together Holding a Knife and Cutting into a Cake with a Figure of a Bride and Groom on Top, the Cake on Top of a Table with Lit Candles on Either Side.” Black-and-white photographs. Robert Langmuir African American Photograph Collection, n.d. Box 40. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/7375tb2rht-cor.