APA (7th ed.) Citation

Mathews, J. E., & Wilde, E. M. (1989). Coal stratigraphy and correlation in the Sidney 30x60-minute quadrangle, eastern Montana and adjacent North Dakota: Index map, cross sections and fence diagram. Montana Bureau of Mines and Geology.

Chicago Style (17th ed.) Citation

Mathews, Jane E., and E. M. Wilde. Coal Stratigraphy and Correlation in the Sidney 30x60-minute Quadrangle, Eastern Montana and Adjacent North Dakota: Index Map, Cross Sections and Fence Diagram. [Butte, Mont.]: Montana Bureau of Mines and Geology, 1989.

MLA (9th ed.) Citation

Mathews, Jane E., and E. M. Wilde. Coal Stratigraphy and Correlation in the Sidney 30x60-minute Quadrangle, Eastern Montana and Adjacent North Dakota: Index Map, Cross Sections and Fence Diagram. Montana Bureau of Mines and Geology, 1989.