MLA
Hugh C. Leighton Co., Manufacturers (Portland, Me.). A native product : two African American boys on the railroad tracks [hand colored]. 1961. Robert Langmuir African American Photograph Collection. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/10966t1g2p-cor.
APA, 6th edition
Hugh C. Leighton Co., Manufacturers (Portland, Me.). (1961)[A native product : two African American boys on the railroad tracks [hand colored]]. Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/10966t1g2p-cor.
Chicago
Hugh C. Leighton Co., Manufacturers (Portland, Me.), A native product : two African American boys on the railroad tracks [hand colored], 1961, Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/10966t1g2p-cor.