APA (7th ed.) Citation

United States. National Park Service. (1987). Employee housing: National Park Service. The Service.

Chicago Style (17th ed.) Citation

United States. National Park Service. Employee Housing: National Park Service. [Denver, Colo.?]: The Service, 1987.

MLA (9th ed.) Citation

United States. National Park Service. Employee Housing: National Park Service. The Service, 1987.

Warning: These citations may not always be 100% accurate.