APA (7th ed.) Citation

United States. National Park Service. (2001). Draft environmental impact statement, draft general management plan: Walnut Canyon National Monument, Arizona. [U.S. Dept. of the Interior, National Park Service].

Chicago Style (17th ed.) Citation

United States. National Park Service. Draft Environmental Impact Statement, Draft General Management Plan: Walnut Canyon National Monument, Arizona. [Flagstaff, Ariz.]: [U.S. Dept. of the Interior, National Park Service], 2001.

MLA (9th ed.) Citation

United States. National Park Service. Draft Environmental Impact Statement, Draft General Management Plan: Walnut Canyon National Monument, Arizona. [U.S. Dept. of the Interior, National Park Service], 2001.