MLA
Lanneau's Art Store (Charleston, S.C.). Old Mammy, one of the keepers at Magnolia Gardens, Charleston, S.C. [hand colored]. unknown. Robert Langmuir African American Photograph Collection. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/979h44j13k-cor.
APA, 6th edition
Lanneau's Art Store (Charleston, S.C.). (unknown)[Old Mammy, one of the keepers at Magnolia Gardens, Charleston, S.C. [hand colored]]. Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/979h44j13k-cor.
Chicago
Lanneau's Art Store (Charleston, S.C.), Old Mammy, one of the keepers at Magnolia Gardens, Charleston, S.C. [hand colored], unknown, Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/979h44j13k-cor.