APA (7th ed.) Citation

United States. National Park Service. (2016). Directory of National Park Service community assistance programs. National Park Service, Department of the Interior.

Chicago Style (17th ed.) Citation

United States. National Park Service. Directory of National Park Service Community Assistance Programs. Washington, DC: National Park Service, Department of the Interior, 2016.

MLA (9th ed.) Citation

United States. National Park Service. Directory of National Park Service Community Assistance Programs. National Park Service, Department of the Interior, 2016.