Lua APA (7ú heag.)
Dalton, D. A. (2008). The natural world of Lewis and Clark. University of Missouri Press.
Lua i Stíl Chicago (17ú heag.)
Dalton, David A. The Natural World of Lewis and Clark. Columbia, Mo.: University of Missouri Press, 2008.
Lua MLA (9ú heag.)
Dalton, David A. The Natural World of Lewis and Clark. University of Missouri Press, 2008.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.