APA (7th ed.) Citation

Fraley, J. E., & Simpson, R. E. (1976). Magnesium oxysulfate cement sealant in coal mines. U.S. Dept. of the Interior, Bureau of Mines.

Chicago Style (17th ed.) Citation

Fraley, J. E., and Robert E. Simpson. Magnesium Oxysulfate Cement Sealant in Coal Mines. [Washington]: U.S. Dept. of the Interior, Bureau of Mines, 1976.

MLA (9th ed.) Citation

Fraley, J. E., and Robert E. Simpson. Magnesium Oxysulfate Cement Sealant in Coal Mines. U.S. Dept. of the Interior, Bureau of Mines, 1976.