MLA
Baker's Art Gallery (Columbus, Ohio). Portrait of an African American man in a suit with a mustache. unknown. Robert Langmuir African American Photograph Collection. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/955m905qp3-cor.
APA, 6th edition
Baker's Art Gallery (Columbus, Ohio). (unknown)[Portrait of an African American man in a suit with a mustache]. Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/955m905qp3-cor.
Chicago
Baker's Art Gallery (Columbus, Ohio), Portrait of an African American man in a suit with a mustache, unknown, Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/955m905qp3-cor.