Symons, T. W., & Downing, A. (1882). Report of an examination of the upper Columbia River and the territory in its vicinity in September and October, 1881: To determine its navigability, and adaptability to steamboat transportation. G.P.O..
Cita Chicago Style (17a ed.)Symons, T. W., y Alfred Downing. Report of an Examination of the Upper Columbia River and the Territory in Its Vicinity in September and October, 1881: To Determine Its Navigability, and Adaptability to Steamboat Transportation. Washington [D.C.]: G.P.O., 1882.
Cita MLA (8a ed.)Symons, T. W., y Alfred Downing. Report of an Examination of the Upper Columbia River and the Territory in Its Vicinity in September and October, 1881: To Determine Its Navigability, and Adaptability to Steamboat Transportation. G.P.O., 1882.