APA (7th ed.) Citation

Bergantino, R. N., & Cole, G. A. (1981). Ekalaka mineral resources sheet. Montana Bureau of Mines and Geology.

Chicago Style (17th ed.) Citation

Bergantino, R. N., and Gary A. Cole. Ekalaka Mineral Resources Sheet. [Butte]: Montana Bureau of Mines and Geology, 1981.

MLA (9th ed.) Citation

Bergantino, R. N., and Gary A. Cole. Ekalaka Mineral Resources Sheet. Montana Bureau of Mines and Geology, 1981.