MLA
Black Chauffeur, Black Nanny : an African American Chauffeur with Three Passengers. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 70. https://digital.library.emory.edu/purl/658pc866xz-cor.
APA, 6th edition
Black chauffeur, black nanny : an African American chauffeur with three passengers (Box 70). [Photographic postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/658pc866xz-cor.
Chicago
“Black Chauffeur, Black Nanny : an African American Chauffeur with Three Passengers.” Photographic postcards. Robert Langmuir African American Photograph Collection, n.d. Box 70. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/658pc866xz-cor.