APA (7th ed.) Citation

(2018). Smith Spring trail guide: Water: sustainer of life in a parched land. National Park Service, U.S. Department of the Interior, Guadalupe Mountains National Park.

Chicago Style (17th ed.) Citation

Smith Spring Trail Guide: Water: Sustainer of Life in a Parched Land. [Salt Flat, Tex.]: National Park Service, U.S. Department of the Interior, Guadalupe Mountains National Park, 2018.

MLA (9th ed.) Citation

Smith Spring Trail Guide: Water: Sustainer of Life in a Parched Land. National Park Service, U.S. Department of the Interior, Guadalupe Mountains National Park, 2018.