MLA
Hugh C. Leighton Co. (Portland, Me.). A southern barbecue, Florida [hand colored]. February 23, 1911. Robert Langmuir African American Photograph Collection. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/730bvq83g2-cor.
APA, 6th edition
Hugh C. Leighton Co. (Portland, Me.). (February 23, 1911)[A southern barbecue, Florida [hand colored]]. Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/730bvq83g2-cor.
Chicago
Hugh C. Leighton Co. (Portland, Me.), A southern barbecue, Florida [hand colored], February 23, 1911, Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/730bvq83g2-cor.