Skeleton map showing the railroads completed and in progress in the United States and their connection as proposed with the harbor of Pensacola / prepared by order of the House of Representatives of the United States, 1st session, 30th Congress, circa 1858
MLA
United States. Congress. House.. "Skeleton map showing the railroads completed and in progress in the United States and their connection as proposed with the harbor of Pensacola / prepared by order of the House of Representatives of the United States, 1st session, 30th Congress, circa 1858." Hargrett Library. 1858, https://dlg.usg.edu/record/guan_hmap_hmap1858s4#item.
APA
United States. Congress. House. (1858). Skeleton map showing the railroads completed and in progress in the United States and their connection as proposed with the harbor of Pensacola / prepared by order of the House of Representatives of the United States, 1st session, 30th Congress, circa 1858. Retrieved from https://dlg.usg.edu/record/guan_hmap_hmap1858s4#item
Chicago
United States. Congress. House.. "Skeleton map showing the railroads completed and in progress in the United States and their connection as proposed with the harbor of Pensacola / prepared by order of the House of Representatives of the United States, 1st session, 30th Congress, circa 1858." 1858. July 19, 2025. https://dlg.usg.edu/record/guan_hmap_hmap1858s4#item.