APA (7th ed.) Citation

United States. National Park Service. (2013). Effigy Mounds National Monument, Iowa: Final general management plan/environmental impact statement. National Park Service, U.S. Department of the Interior.

Chicago Style (17th ed.) Citation

United States. National Park Service. Effigy Mounds National Monument, Iowa: Final General Management Plan/environmental Impact Statement. [Washington, DC]: National Park Service, U.S. Department of the Interior, 2013.

MLA (9th ed.) Citation

United States. National Park Service. Effigy Mounds National Monument, Iowa: Final General Management Plan/environmental Impact Statement. National Park Service, U.S. Department of the Interior, 2013.