MLA
Knaffl & Bro. (Knoxville, Tenn.). Is you looking for me? : an African American boy wearing a suit, holding a box and a bag. 1905. Robert Langmuir African American Photograph Collection. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/354xgxd28r-cor.
APA, 6th edition
Knaffl & Bro. (Knoxville, Tenn.). (1905)[Is you looking for me? : an African American boy wearing a suit, holding a box and a bag]. Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/354xgxd28r-cor.
Chicago
Knaffl & Bro. (Knoxville, Tenn.), Is you looking for me? : an African American boy wearing a suit, holding a box and a bag, 1905, Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/354xgxd28r-cor.