MLA
Hugh C. Leighton Co., Manufacturers (Portland, Me.). Camden, Me. : Negro Island light and warships. August 20, 1912. Robert Langmuir African American Photograph Collection. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/1676t1g1mp-cor.
APA, 6th edition
Hugh C. Leighton Co., Manufacturers (Portland, Me.). (August 20, 1912)[Camden, Me. : Negro Island light and warships]. Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/1676t1g1mp-cor.
Chicago
Hugh C. Leighton Co., Manufacturers (Portland, Me.), Camden, Me. : Negro Island light and warships, August 20, 1912, Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/1676t1g1mp-cor.