MLA
A Negro Home : an African American Man, Three Children and One Woman Holding a Baby Outside a Home [Hand Colored]. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 71. https://digital.library.emory.edu/purl/5053ffbg97-cor.
APA, 6th edition
A negro home : an African American man, three children and one woman holding a baby outside a home [hand colored] (Box 71). [Postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/5053ffbg97-cor.
Chicago
“A Negro Home : an African American Man, Three Children and One Woman Holding a Baby Outside a Home [Hand Colored].” Postcards. Robert Langmuir African American Photograph Collection, n.d. Box 71. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/5053ffbg97-cor.