MLA
Aunt Martha, a Cook and Former Slave. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 42. https://digital.library.emory.edu/purl/262s4mw6rv-cor.
APA, 6th edition
Aunt Martha, a cook and former slave (Box 42). [Card photographs (photographs)]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/262s4mw6rv-cor.
Chicago
“Aunt Martha, a Cook and Former Slave.” Card photographs (photographs). Robert Langmuir African American Photograph Collection, n.d. Box 42. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/262s4mw6rv-cor.