MLA
T.P. & Co. (N.Y.). Negro hut : an African American man and woman sitting outside a log cabin [hand colored]. unknown. Robert Langmuir African American Photograph Collection. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/416c2fqz7r-cor.
APA, 6th edition
T.P. & Co. (N.Y.). (unknown)[Negro hut : an African American man and woman sitting outside a log cabin [hand colored]]. Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/416c2fqz7r-cor.
Chicago
T.P. & Co. (N.Y.), Negro hut : an African American man and woman sitting outside a log cabin [hand colored], unknown, Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/416c2fqz7r-cor.