MLA
Hugh C. Leighton Co., Manufacturers (Portland, Me.). Palm Beach, Fla. : wheel chairs on the ramble. unknown. Robert Langmuir African American Photograph Collection. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/866vx0k6j9-cor.
APA, 6th edition
Hugh C. Leighton Co., Manufacturers (Portland, Me.). (unknown)[Palm Beach, Fla. : wheel chairs on the ramble]. Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/866vx0k6j9-cor.
Chicago
Hugh C. Leighton Co., Manufacturers (Portland, Me.), Palm Beach, Fla. : wheel chairs on the ramble, unknown, Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/866vx0k6j9-cor.