United States. National Park Service. Western Regional Office. (1995). Joshua Tree National Park, California: General management plan, development concept plans, environmental impact statement. U.S. Dept. of the Interior, National Park Service.
Chicago Style (17th ed.) CitationUnited States. National Park Service. Western Regional Office. Joshua Tree National Park, California: General Management Plan, Development Concept Plans, Environmental Impact Statement. [Denver, Colo.]: U.S. Dept. of the Interior, National Park Service, 1995.
MLA (9th ed.) CitationUnited States. National Park Service. Western Regional Office. Joshua Tree National Park, California: General Management Plan, Development Concept Plans, Environmental Impact Statement. U.S. Dept. of the Interior, National Park Service, 1995.