APA Citation

Knechtel, M. M. 1. (1962). Bentonite deposits of the northern Black Hills district, Wyoming, Montana, and South Dakota: Contributions to economic geology. Washington: United States Government Printing Office.

Chicago Style Citation

Knechtel, Maxwell M. 1897-. Bentonite Deposits of the Northern Black Hills District, Wyoming, Montana, and South Dakota: Contributions to Economic Geology. Washington: United States Government Printing Office, 1962.

MLA Citation

Knechtel, Maxwell M. 1897-. Bentonite Deposits of the Northern Black Hills District, Wyoming, Montana, and South Dakota: Contributions to Economic Geology. Washington: United States Government Printing Office, 1962.

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