APA (7th ed.) Citation

United States. National Park Service. (1985). Servicewide uniform program guideline. National Park Service, Dept. of the Interior.

Chicago Style (17th ed.) Citation

United States. National Park Service. Servicewide Uniform Program Guideline. [Washington, D.C.?]: National Park Service, Dept. of the Interior, 1985.

MLA (8th ed.) Citation

United States. National Park Service. Servicewide Uniform Program Guideline. National Park Service, Dept. of the Interior, 1985.