MLA
Policeman Walking down Middle of Street Lined with Houses as Others Look On. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 8. https://digital.library.emory.edu/purl/52259zw3ww-cor.
APA, 6th edition
Policeman walking down middle of street lined with houses as others look on (Box 8). [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/52259zw3ww-cor.
Chicago
“Policeman Walking down Middle of Street Lined with Houses as Others Look On.” Black-and-white photographs. Robert Langmuir African American Photograph Collection, n.d. Box 8. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/52259zw3ww-cor.