MLA
Byerly, J. Davis. Oval Portrait of an Old African American Woman Holding Something. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 43. https://digital.library.emory.edu/purl/808v9s4n1q-cor.
APA, 6th edition
Byerly, J. D. Oval portrait of an old African American woman holding something (Box 43) [Card photographs (photographs)]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/808v9s4n1q-cor.
Chicago
Byerly, J. Davis. “Oval Portrait of an Old African American Woman Holding Something.” Card photographs (photographs). Robert Langmuir African American Photograph Collection, n.d. Box 43. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/808v9s4n1q-cor.