MLA
Harris, W. J. Men and Women Standing on the Side of a Building and Fence in St. Augustine, Florida, with a Horse-Drawn Carriage in the Background. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 71. https://digital.library.emory.edu/purl/815p8cz921-cor.
APA, 6th edition
Harris, W. J. Men and women standing on the side of a building and fence in St. Augustine, Florida, with a horse-drawn carriage in the background (Box 71) [Photographic postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/815p8cz921-cor.
Chicago
Harris, W. J. “Men and Women Standing on the Side of a Building and Fence in St. Augustine, Florida, with a Horse-Drawn Carriage in the Background.” Photographic postcards. Robert Langmuir African American Photograph Collection, n.d. Box 71. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/815p8cz921-cor.