MLA
Green's Studio (Anderson, S.C.). An African American woman in a dress sitting in an armchair. unknown. Robert Langmuir African American Photograph Collection. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/12683bk3m7-cor.
APA, 6th edition
Green's Studio (Anderson, S.C.). (unknown)[An African American woman in a dress sitting in an armchair]. Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/12683bk3m7-cor.
Chicago
Green's Studio (Anderson, S.C.), An African American woman in a dress sitting in an armchair, unknown, Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/12683bk3m7-cor.