APA (7th ed.) Citation

(2003). The U.S. Army and the Lewis and Clark Expedition. [Center of Military History, U.S. Army].

Chicago Style (17th ed.) Citation

The U.S. Army and the Lewis and Clark Expedition. [Washington, D.C.?]: [Center of Military History, U.S. Army], 2003.

MLA (9th ed.) Citation

The U.S. Army and the Lewis and Clark Expedition. [Center of Military History, U.S. Army], 2003.