APA (7th ed.) Citation

Stickney, M. C. (1987). Quaternary geologic map of the Helena Valley, Montana. Montana Bureau of Mines and Geology.

Chicago Style (17th ed.) Citation

Stickney, Michael C. Quaternary Geologic Map of the Helena Valley, Montana. [Butte]: Montana Bureau of Mines and Geology, 1987.

MLA (9th ed.) Citation

Stickney, Michael C. Quaternary Geologic Map of the Helena Valley, Montana. Montana Bureau of Mines and Geology, 1987.