MLA
Two African American Women in Dresses and Hats Sitting on an Overgrown Hill. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 73. https://digital.library.emory.edu/purl/453wstqjrp-cor.
APA, 6th edition
Two African American women in dresses and hats sitting on an overgrown hill (Box 73). [Photographic postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/453wstqjrp-cor.
Chicago
“Two African American Women in Dresses and Hats Sitting on an Overgrown Hill.” Photographic postcards. Robert Langmuir African American Photograph Collection, n.d. Box 73. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/453wstqjrp-cor.