MLA
Ferguson News Co. (Lexington, Ky.). Man-O-War, the wonder horse, bred in Old Kentucky : an African American man with Man-O-War [hand colored]. July 1941. Robert Langmuir African American Photograph Collection. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/7375tb2rdp-cor.
APA, 6th edition
Ferguson News Co. (Lexington, Ky.). (July 1941)[Man-O-War, the wonder horse, bred in Old Kentucky : an African American man with Man-O-War [hand colored]]. Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/7375tb2rdp-cor.
Chicago
Ferguson News Co. (Lexington, Ky.), Man-O-War, the wonder horse, bred in Old Kentucky : an African American man with Man-O-War [hand colored], July 1941, Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/7375tb2rdp-cor.