APA Citation

McCulloch, C. M., Jeran, P. W., & Sullivan, C. D. (1975). Geologic investigations of underground coal mining problems. [Pittsburgh, Pa.?]: U.S. Dept. of the Interior, Bureau of Mines.

Chicago Style Citation

McCulloch, C. M., P. W. Jeran, and C. D. Sullivan. Geologic Investigations of Underground Coal Mining Problems. [Pittsburgh, Pa.?]: U.S. Dept. of the Interior, Bureau of Mines, 1975.

MLA Citation

McCulloch, C. M., P. W. Jeran, and C. D. Sullivan. Geologic Investigations of Underground Coal Mining Problems. [Pittsburgh, Pa.?]: U.S. Dept. of the Interior, Bureau of Mines, 1975.

Warning: These citations may not always be 100% accurate.