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..
Style de citation Chicago (17e éd.)Symons, T. W., et 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.
Style de citation MLA (8e éd.)Symons, T. W., et 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.