MLA
An Older African American Woman Sitting on a Chair While Wearing a Dress, with Two Women and a Boy Standing behind Her, All in Front of a Large House in Florida, 1917. 1917. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 72. https://digital.library.emory.edu/purl/453wstqjrh-cor.
APA, 6th edition
An older African American woman sitting on a chair while wearing a dress, with two women and a boy standing behind her, all in front of a large house in Florida, 1917 (Box 72). (1917). [Photographic postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/453wstqjrh-cor.
Chicago
“An Older African American Woman Sitting on a Chair While Wearing a Dress, with Two Women and a Boy Standing behind Her, All in Front of a Large House in Florida, 1917.” Photographic postcards. Robert Langmuir African American Photograph Collection, 1917. Box 72. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/453wstqjrh-cor.