Joshua Tree guide. National Park Service, U.S. Department of the Interior, Joshua Tree National Park.
Chicago Style (17th ed.) CitationJoshua Tree Guide. Twentynine Palms, CA: National Park Service, U.S. Department of the Interior, Joshua Tree National Park.
MLA (9th ed.) CitationJoshua Tree Guide. National Park Service, U.S. Department of the Interior, Joshua Tree National Park.
Warning: These citations may not always be 100% accurate.