MLA
Rochester Photo Press (N.Y.). Oh! what I don't know about you : an African American baby in a diaper. October 31, 1917. Robert Langmuir African American Photograph Collection. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/0687h44j2r-cor.
APA, 6th edition
Rochester Photo Press (N.Y.). (October 31, 1917)[Oh! what I don't know about you : an African American baby in a diaper]. Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/0687h44j2r-cor.
Chicago
Rochester Photo Press (N.Y.), Oh! what I don't know about you : an African American baby in a diaper, October 31, 1917, Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/0687h44j2r-cor.