APA (7th ed.) Citation

Lewis, M., & Clark, W. (1814). Travels to the source of the Missouri River and across the American Continent to the Pacific Ocean 1804 to 1806.

Chicago Style (17th ed.) Citation

Lewis, Meriwether, and William Clark. Travels to the Source of the Missouri River and Across the American Continent to the Pacific Ocean 1804 to 1806. London, 1814.

MLA (9th ed.) Citation

Lewis, Meriwether, and William Clark. Travels to the Source of the Missouri River and Across the American Continent to the Pacific Ocean 1804 to 1806. 1814.