MLA
Sexton (Atlantic City, N.J.). African American mother and daughter. unknown. Robert Langmuir African American Photograph Collection. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/81937pvmk6-cor.
APA, 6th edition
Sexton (Atlantic City, N.J.). (unknown)[African American mother and daughter]. Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/81937pvmk6-cor.
Chicago
Sexton (Atlantic City, N.J.), African American mother and daughter, unknown, Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/81937pvmk6-cor.