APA (7th ed.) Citation

Geological Survey (U.S.). (1978). Chaco Canyon quadrangle, New Mexico: 1:100 000-scale series (topographic). The Survey.

Chicago Style (17th ed.) Citation

Geological Survey (U.S.). Chaco Canyon Quadrangle, New Mexico: 1:100 000-scale Series (topographic). Reston, Va.: The Survey, 1978.

MLA (9th ed.) Citation

Geological Survey (U.S.). Chaco Canyon Quadrangle, New Mexico: 1:100 000-scale Series (topographic). The Survey, 1978.

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