MLA
Portrait of Blanche Thompson, Posing on a Chair. 1910. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 10. https://digital.library.emory.edu/purl/269m37pvtf-cor.
APA, 6th edition
Portrait of Blanche Thompson, posing on a chair (Box 10). (1910). [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/269m37pvtf-cor.
Chicago
“Portrait of Blanche Thompson, Posing on a Chair.” Black-and-white photographs. Robert Langmuir African American Photograph Collection, 1910. Box 10. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/269m37pvtf-cor.