MLA
T. J. Mattox Cigar & Tobacco Co. (Montgomery, Ala.). Large cart topped with bails of cotton being pulled by oxen, with African American men on the cart, and next to it. unknown. Robert Langmuir African American Photograph Collection. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/2150gb5mpd-cor.
APA, 6th edition
T. J. Mattox Cigar & Tobacco Co. (Montgomery, Ala.). (unknown)[Large cart topped with bails of cotton being pulled by oxen, with African American men on the cart, and next to it]. Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/2150gb5mpd-cor.
Chicago
T. J. Mattox Cigar & Tobacco Co. (Montgomery, Ala.), Large cart topped with bails of cotton being pulled by oxen, with African American men on the cart, and next to it, unknown, Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/2150gb5mpd-cor.