APA (7th ed.) Citation

Zeilinger, J. E., & Deurbrouck, A. W. (1976). Physical desulfurization of fine-size coals on a spiral concentrator. U.S. Dept. of the Interior, Bureau of Mines.

Chicago Style (17th ed.) Citation

Zeilinger, John E., and A. W. Deurbrouck. Physical Desulfurization of Fine-size Coals on a Spiral Concentrator. [Washington]: U.S. Dept. of the Interior, Bureau of Mines, 1976.

MLA (9th ed.) Citation

Zeilinger, John E., and A. W. Deurbrouck. Physical Desulfurization of Fine-size Coals on a Spiral Concentrator. U.S. Dept. of the Interior, Bureau of Mines, 1976.