APA (7th ed.) Citation

Allen, J. L. (1991). Lewis and Clark and the image of the American Northwest. Dover Publications.

Chicago Style (17th ed.) Citation

Allen, John Logan. Lewis and Clark and the Image of the American Northwest. New York: Dover Publications, 1991.

MLA (9th ed.) Citation

Allen, John Logan. Lewis and Clark and the Image of the American Northwest. Dover Publications, 1991.