Cita APA

Gunn, R. D. 1., & Krantz, W. B. 1. (1983). Underground coal gasification: The state of the art. New York, New York: American Institute of Chemical Engineers.

Citación estilo Chicago

Gunn, Robert D. 1928-, y William B. 1939- Krantz. Underground Coal Gasification: The State of the Art. New York, New York: American Institute of Chemical Engineers, 1983.

Cita MLA

Gunn, Robert D. 1928-, y William B. 1939- Krantz. Underground Coal Gasification: The State of the Art. New York, New York: American Institute of Chemical Engineers, 1983.