MLA
National Post Card Service (Sebring, Fla.). Slave market, Louisville, Georgia. unknown. Robert Langmuir African American Photograph Collection. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/2085hqbzpg-cor.
APA, 6th edition
National Post Card Service (Sebring, Fla.). (unknown)[Slave market, Louisville, Georgia]. Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/2085hqbzpg-cor.
Chicago
National Post Card Service (Sebring, Fla.), Slave market, Louisville, Georgia, unknown, Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/2085hqbzpg-cor.