MLA
African American Man Wearing a Suit and Hat, Sitting on a Log, Holding a Chicken and Herbs in Opposite Hands, next to a Metal Pot. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 70. https://digital.library.emory.edu/purl/061djh9w40-cor.
APA, 6th edition
African American man wearing a suit and hat, sitting on a log, holding a chicken and herbs in opposite hands, next to a metal pot (Box 70). [Photographic postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/061djh9w40-cor.
Chicago
“African American Man Wearing a Suit and Hat, Sitting on a Log, Holding a Chicken and Herbs in Opposite Hands, next to a Metal Pot.” Photographic postcards. Robert Langmuir African American Photograph Collection, n.d. Box 70. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/061djh9w40-cor.