MLA
Wallace, Philip B. A Group of Men in Suits, Hats and Coats, and a Woman in a Dress, Coat and Hat, All Seated in Deck Chairs with Blankets over Their Legs, on a Veranda with an African American Man in Uniform Standing Nearby. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 54. https://digital.library.emory.edu/purl/590dv41nxq-cor.
APA, 6th edition
Wallace, P. B. A group of men in suits, hats and coats, and a woman in a dress, coat and hat, all seated in deck chairs with blankets over their legs, on a veranda with an African American man in uniform standing nearby (Box 54) [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/590dv41nxq-cor.
Chicago
Wallace, Philip B. “A Group of Men in Suits, Hats and Coats, and a Woman in a Dress, Coat and Hat, All Seated in Deck Chairs with Blankets over Their Legs, on a Veranda with an African American Man in Uniform Standing Nearby.” Black-and-white photographs. Robert Langmuir African American Photograph Collection, n.d. Box 54. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/590dv41nxq-cor.