MLA
African American Woman Sitting on a Chair While Wearing a Coat, with an African American Infant Sitting on Her Lap. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 72. https://digital.library.emory.edu/purl/320sqv9s6r-cor.
APA, 6th edition
African American woman sitting on a chair while wearing a coat, with an African American infant sitting on her lap (Box 72). [Photographic postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/320sqv9s6r-cor.
Chicago
“African American Woman Sitting on a Chair While Wearing a Coat, with an African American Infant Sitting on Her Lap.” 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/320sqv9s6r-cor.