Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (8th ed.)

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