MLA
Men in Front of a Fort Dodge, Des Moines & Southern Railroad Car. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 71. https://digital.library.emory.edu/purl/211kh1896f-cor.
APA, 6th edition
Men in front of a Fort Dodge, Des Moines & Southern railroad car (Box 71). [Photographic postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/211kh1896f-cor.
Chicago
“Men in Front of a Fort Dodge, Des Moines & Southern Railroad Car.” 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/211kh1896f-cor.