Travels to the source of the Missouri river and across the American continent to the Pacific ocean.
Performed by order of the government of the United States, in the years 1804, 1805, and 1806.
By Captains Lewis and Clarke. Published from the official report, and illus. by a map of the route, and other maps.

APA Citation

Lewis, M. (1815). Travels to the source of the Missouri river and across the American continent to the Pacific ocean: Performed by order of the government of the United States, in the years 1804, 1805, and 1806. A new edition . . . London: Longman, Hurst, Rees, Orme & Brown.

MLA Citation

Lewis, Meriwether, 1774-1809. Travels to the Source of the Missouri River And Across the American Continent to the Pacific Ocean: Performed by Order of the Government of the United States, In the Years 1804, 1805, And 1806. A new edition . . . London: Longman, Hurst, Rees, Orme & Brown, 1815.

Warning: These citations may not always be complete (especially for serials).