MLA
Adolph Selige Pub. Co. (St. Louis, Mo.). A negro school in Florida, with men women and children standing outside [hand colored]. June 26, 1900. Robert Langmuir African American Photograph Collection. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/7956djhb0v-cor.
APA, 6th edition
Adolph Selige Pub. Co. (St. Louis, Mo.). (June 26, 1900)[A negro school in Florida, with men women and children standing outside [hand colored]]. Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/7956djhb0v-cor.
Chicago
Adolph Selige Pub. Co. (St. Louis, Mo.), A negro school in Florida, with men women and children standing outside [hand colored], June 26, 1900, Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/7956djhb0v-cor.