MLA
Chessler Co. (Baltimore, Md.). Ante Bellum Auntie : African American woman sitting while wearing a dress and a headwrap, holding a cane [hand colored]. unknown. Robert Langmuir African American Photograph Collection. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/890rr4xh0t-cor.
APA, 6th edition
Chessler Co. (Baltimore, Md.). (unknown)[Ante Bellum Auntie : African American woman sitting while wearing a dress and a headwrap, holding a cane [hand colored]]. Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/890rr4xh0t-cor.
Chicago
Chessler Co. (Baltimore, Md.), Ante Bellum Auntie : African American woman sitting while wearing a dress and a headwrap, holding a cane [hand colored], unknown, Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/890rr4xh0t-cor.