APA (7th ed.) Citation

Chadwick, R. A. (1982). Geologic map of the Fridley Peak quadrangle, Montana. Montana Bureau of Mines and Geology.

Chicago Style (17th ed.) Citation

Chadwick, Robert A. Geologic Map of the Fridley Peak Quadrangle, Montana. [Butte, Mont.]: Montana Bureau of Mines and Geology, 1982.

MLA (9th ed.) Citation

Chadwick, Robert A. Geologic Map of the Fridley Peak Quadrangle, Montana. Montana Bureau of Mines and Geology, 1982.