MLA
Group Picture of Five African American Women and an African American Man on a Beach with Other People around Them and a Wharf in the Background. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 40. https://digital.library.emory.edu/purl/1741rn8pq4-cor.
APA, 6th edition
Group picture of five African American women and an African American man on a beach with other people around them and a wharf in the background (Box 40). [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/1741rn8pq4-cor.
Chicago
“Group Picture of Five African American Women and an African American Man on a Beach with Other People around Them and a Wharf in the Background.” 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/1741rn8pq4-cor.