MLA
Harrison's Studio (Chicago, Ill.). Portrait of an African American man wearing a suit. unknown. Robert Langmuir African American Photograph Collection. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/81937pvmfr-cor.
APA, 6th edition
Harrison's Studio (Chicago, Ill.). (unknown)[Portrait of an African American man wearing a suit]. Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/81937pvmfr-cor.
Chicago
Harrison's Studio (Chicago, Ill.), Portrait of an African American man wearing a suit, unknown, Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/81937pvmfr-cor.