MLA
African American Woman Sitting on a Chair While Wearing a Dress and Fur Scarf, with an African American Boy in a Suit Standing next to Her, with His Arm on Her Shoulder. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 72. https://digital.library.emory.edu/purl/0171vhhmjh-cor.
APA, 6th edition
African American woman sitting on a chair while wearing a dress and fur scarf, with an African American boy in a suit standing next to her, with his arm on her shoulder (Box 72). [Photographic postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/0171vhhmjh-cor.
Chicago
“African American Woman Sitting on a Chair While Wearing a Dress and Fur Scarf, with an African American Boy in a Suit Standing next to Her, with His Arm on Her Shoulder.” Photographic postcards. Robert Langmuir African American Photograph Collection, n.d. Box 72. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/0171vhhmjh-cor.