APA (7th ed.) Citation

Joshua Tree guide. National Park Service, U.S. Department of the Interior, Joshua Tree National Park.

Chicago Style (17th ed.) Citation

Joshua Tree Guide. Twentynine Palms, CA: National Park Service, U.S. Department of the Interior, Joshua Tree National Park.

MLA (9th ed.) Citation

Joshua Tree Guide. National Park Service, U.S. Department of the Interior, Joshua Tree National Park.

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