APA (7th ed.) Citation

Deur, D. (2016). Empires of the turning tide: A history of Lewis and Clark National Historical Park and the Columbia-Pacific region. National Park Service, U.S. Department of the Interior.

Chicago Style (17th ed.) Citation

Deur, Douglas. Empires of the Turning Tide: A History of Lewis and Clark National Historical Park and the Columbia-Pacific Region. [Washington, D.C.?]: National Park Service, U.S. Department of the Interior, 2016.

MLA (9th ed.) Citation

Deur, Douglas. Empires of the Turning Tide: A History of Lewis and Clark National Historical Park and the Columbia-Pacific Region. National Park Service, U.S. Department of the Interior, 2016.