MLA
Baby in White Dress Seated in Rocking Chair next to Potted Flowers. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 6. https://digital.library.emory.edu/purl/2902z34tt0-cor.
APA, 6th edition
Baby in white dress seated in rocking chair next to potted flowers (Box 6). [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/2902z34tt0-cor.
Chicago
“Baby in White Dress Seated in Rocking Chair next to Potted Flowers.” Black-and-white photographs. Robert Langmuir African American Photograph Collection, n.d. Box 6. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/2902z34tt0-cor.