APA (7th ed.) Citation

(1986). The precambrian of the Rocky Mountains region. U.S. Gov. Print. Off.

Chicago Style (17th ed.) Citation

The Precambrian of the Rocky Mountains Region. Washington: U.S. Gov. Print. Off, 1986.

MLA (9th ed.) Citation

The Precambrian of the Rocky Mountains Region. U.S. Gov. Print. Off, 1986.

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