Stevens, I. I., & Humphreys, A. A. (1859). Explorations and surveys for a rail road route from the Mississippi R. to the Pacific Ocean, War Department: Routes near the 47th and 49th parallels : profiles : from explorations and surveys made under the direction of the Hon. Jefferson Davis, secretary of war. War Dept..
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)Stevens, Isaac Ingalls, và A. A. Humphreys. Explorations and Surveys for a Rail Road Route from the Mississippi R. to the Pacific Ocean, War Department: Routes Near the 47th and 49th Parallels : Profiles : From Explorations and Surveys Made Under the Direction of the Hon. Jefferson Davis, Secretary of War. [Washington, D.C.]: War Dept., 1859.
Trích dẫn kiểu MLA (xuất bản lần thứ 8)Stevens, Isaac Ingalls, và A. A. Humphreys. Explorations and Surveys for a Rail Road Route from the Mississippi R. to the Pacific Ocean, War Department: Routes Near the 47th and 49th Parallels : Profiles : From Explorations and Surveys Made Under the Direction of the Hon. Jefferson Davis, Secretary of War. War Dept., 1859.