APA (7th ed.) Citation

(1974). Geologic map and cross sections of the La Veta Pass, La Veta, and Ritter Arroyo quadrangles, Huerfano and Costilla counties, Colorado. U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Geologic Map and Cross Sections of the La Veta Pass, La Veta, and Ritter Arroyo Quadrangles, Huerfano and Costilla Counties, Colorado. Washington, D.C: U.S. Geological Survey, 1974.

MLA (9th ed.) Citation

Geologic Map and Cross Sections of the La Veta Pass, La Veta, and Ritter Arroyo Quadrangles, Huerfano and Costilla Counties, Colorado. U.S. Geological Survey, 1974.