APA (7th ed.) Citation

Four Corners Geological Society, Baars, D. L., & Molenaar, C. M. (1971). Geology of Canyonlands and Cataract Canyon. Four Corners Geological Society.

Chicago Style (17th ed.) Citation

Four Corners Geological Society, Donald L. Baars, and C. M. Molenaar. Geology of Canyonlands and Cataract Canyon. [Durango, Col.]: Four Corners Geological Society, 1971.

MLA (9th ed.) Citation

Four Corners Geological Society, et al. Geology of Canyonlands and Cataract Canyon. Four Corners Geological Society, 1971.