MLA
Rotograph Co. (New York, N.Y.). African American man sitting on a rocking chair reading a book, while wearing a suit and hat. 1905. Robert Langmuir African American Photograph Collection. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/559q2bvqbc-cor.
APA, 6th edition
Rotograph Co. (New York, N.Y.). (1905)[African American man sitting on a rocking chair reading a book, while wearing a suit and hat]. Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/559q2bvqbc-cor.
Chicago
Rotograph Co. (New York, N.Y.), African American man sitting on a rocking chair reading a book, while wearing a suit and hat, 1905, Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/559q2bvqbc-cor.