APA (7th ed.) Citation

Rocky Mountain Association of Geologists. (1972). Geologic atlas of the Rocky Mountain region, United States of America.

Chicago Style (17th ed.) Citation

Rocky Mountain Association of Geologists. Geologic Atlas of the Rocky Mountain Region, United States of America. Denver, Colo, 1972.

MLA (8th ed.) Citation

Rocky Mountain Association of Geologists. Geologic Atlas of the Rocky Mountain Region, United States of America. 1972.

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