MLA
Adolph Selige Pub. Co. (St. Louis, Mo.). Mississippi chocolate drops : three African American children. 1911. Robert Langmuir African American Photograph Collection. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/040xpnvx2f-cor.
APA, 6th edition
Adolph Selige Pub. Co. (St. Louis, Mo.). (1911)[Mississippi chocolate drops : three African American children]. Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/040xpnvx2f-cor.
Chicago
Adolph Selige Pub. Co. (St. Louis, Mo.), Mississippi chocolate drops : three African American children, 1911, Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/040xpnvx2f-cor.