APA (7th ed.) Citation

Law, B. E., Barnum, B. E., & Wollenzien, T. P. (1979). Coal bed correlations in the Tongue River Member of the Fort Union Formation, Monarch, Wyoming, and Decker, Montana, areas. U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Law, B. E., Bruce E. Barnum, and T. P. Wollenzien. Coal Bed Correlations in the Tongue River Member of the Fort Union Formation, Monarch, Wyoming, and Decker, Montana, Areas. Reston, Va.: U.S. Geological Survey, 1979.

MLA (9th ed.) Citation

Law, B. E., et al. Coal Bed Correlations in the Tongue River Member of the Fort Union Formation, Monarch, Wyoming, and Decker, Montana, Areas. U.S. Geological Survey, 1979.