MLA
Portrait of a Young Girl. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 5. https://digital.library.emory.edu/purl/204rjdfn7b-cor.
APA, 6th edition
Portrait of a young girl (Box 5). [Photographic postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/204rjdfn7b-cor.
Chicago
“Portrait of a Young Girl.” Photographic postcards. Robert Langmuir African American Photograph Collection, n.d. Box 5. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/204rjdfn7b-cor.