APA (7th ed.) Citation

United States. National Park Service. (1992). Big Bend National Park, Texas ([1992 rev. ed.].). The Service.

Chicago Style (17th ed.) Citation

United States. National Park Service. Big Bend National Park, Texas. [1992 rev. ed.]. [Washington, D.C.]: The Service, 1992.

MLA (9th ed.) Citation

United States. National Park Service. Big Bend National Park, Texas. [1992 rev. ed.]. The Service, 1992.