Jensen, F. S., & Varnes, H. D. (1964). Geology of the Fort Peck Area, Garfield, McCone and Valley Counties, Montana. U.S. Govt. Print. Off.
Chicago Style (17th ed.) CitationJensen, Fred S., and Helen Dowling Varnes. Geology of the Fort Peck Area, Garfield, McCone and Valley Counties, Montana. Washington: U.S. Govt. Print. Off, 1964.
MLA (9th ed.) CitationJensen, Fred S., and Helen Dowling Varnes. Geology of the Fort Peck Area, Garfield, McCone and Valley Counties, Montana. U.S. Govt. Print. Off, 1964.
Warning: These citations may not always be 100% accurate.