MLA
Valentine Photographers (Chicago). Portrait of Daddie-O. unknown. Robert Langmuir African American Photograph Collection. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/931qfttf41-cor.
APA, 6th edition
Valentine Photographers (Chicago). (unknown)[Portrait of Daddie-O]. Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/931qfttf41-cor.
Chicago
Valentine Photographers (Chicago), Portrait of Daddie-O, unknown, Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/931qfttf41-cor.