MLA
Daniel Freeman Photo Studio (Washington, D.C.). Group picture of several African American men wearing suits, including AME Bishop Henry McNeal Turner and Arthur Riggs. unknown. Robert Langmuir African American Photograph Collection. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/0171vhhmn1-cor.
APA, 6th edition
Daniel Freeman Photo Studio (Washington, D.C.). (unknown)[Group picture of several African American men wearing suits, including AME Bishop Henry McNeal Turner and Arthur Riggs]. Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/0171vhhmn1-cor.
Chicago
Daniel Freeman Photo Studio (Washington, D.C.), Group picture of several African American men wearing suits, including AME Bishop Henry McNeal Turner and Arthur Riggs, unknown, Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/0171vhhmn1-cor.