Cox, W. E., & Cole, G. A. (1981). Oil shale potential in the Heath and Tyler Formations, central Montana. Montana Bureau of Mines and Geology.
Chicago Style (17th ed.) CitationCox, Willard E., and Gary A. Cole. Oil Shale Potential in the Heath and Tyler Formations, Central Montana. Butte: Montana Bureau of Mines and Geology, 1981.
MLA (9th ed.) CitationCox, Willard E., and Gary A. Cole. Oil Shale Potential in the Heath and Tyler Formations, Central Montana. Montana Bureau of Mines and Geology, 1981.
Warning: These citations may not always be 100% accurate.