MLA
Hugh C. Leighton Co. Manufacturers (Portland, Me.). Turpentine still : with three African American men turpentine industry workers. unknown. Robert Langmuir African American Photograph Collection. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/713905qfxk-cor.
APA, 6th edition
Hugh C. Leighton Co. Manufacturers (Portland, Me.). (unknown)[Turpentine still : with three African American men turpentine industry workers]. Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/713905qfxk-cor.
Chicago
Hugh C. Leighton Co. Manufacturers (Portland, Me.), Turpentine still : with three African American men turpentine industry workers, unknown, Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/713905qfxk-cor.