APA (7th ed.) Citation

Moebs, N. N., & Ellenberger, J. L. (1982). Geologic structures in coal mine roof. U.S. Dept. of the Interior, Bureau of Mines.

Chicago Style (17th ed.) Citation

Moebs, Noel N., and John L. Ellenberger. Geologic Structures in Coal Mine Roof. [Washington, D.C.]: U.S. Dept. of the Interior, Bureau of Mines, 1982.

MLA (9th ed.) Citation

Moebs, Noel N., and John L. Ellenberger. Geologic Structures in Coal Mine Roof. U.S. Dept. of the Interior, Bureau of Mines, 1982.