APA (7th ed.) Citation

United States. National Park Service. (1997). El Camino Real de Tierra Adentro, Texas--New Mexico: National historic trail feasibility study, environmental assessment. U.S. Dept. of the Interior, National Park Service.

Chicago Style (17th ed.) Citation

United States. National Park Service. El Camino Real De Tierra Adentro, Texas--New Mexico: National Historic Trail Feasibility Study, Environmental Assessment. [Denver, Colo.?]: U.S. Dept. of the Interior, National Park Service, 1997.

MLA (9th ed.) Citation

United States. National Park Service. El Camino Real De Tierra Adentro, Texas--New Mexico: National Historic Trail Feasibility Study, Environmental Assessment. U.S. Dept. of the Interior, National Park Service, 1997.