MLA
National Art Views Co. (New York, N.Y.). A good drink can't be a short one : African American man drinking on an oxen-drawn carriage in front of the White Man's Bar. unknown. Robert Langmuir African American Photograph Collection. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/423612jm8s-cor.
APA, 6th edition
National Art Views Co. (New York, N.Y.). (unknown)[A good drink can't be a short one : African American man drinking on an oxen-drawn carriage in front of the White Man's Bar]. Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/423612jm8s-cor.
Chicago
National Art Views Co. (New York, N.Y.), A good drink can't be a short one : African American man drinking on an oxen-drawn carriage in front of the White Man's Bar, unknown, Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/423612jm8s-cor.