MLA
Webster and Popkins (Hartford, Conn.). Two African American baby girls wearing dresses. unknown. Robert Langmuir African American Photograph Collection. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/201bk3j9p3-cor.
APA, 6th edition
Webster and Popkins (Hartford, Conn.). (unknown)[Two African American baby girls wearing dresses]. Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/201bk3j9p3-cor.
Chicago
Webster and Popkins (Hartford, Conn.), Two African American baby girls wearing dresses, unknown, Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/201bk3j9p3-cor.