APA (7th ed.) Citation

North American Rapid Excavation and Tunneling Conference Los Angeles, American Society of Civil Engineers, American Institute of Mining, Metallurgical, and Petroleum Engineers, Pond, R. A., & Kenny, P. (1989). Rapid excavation and tunneling conference, Los Angeles, California, 1989: Proceedings. Society of Mining Engineers.

Chicago Style (17th ed.) Citation

North American Rapid Excavation and Tunneling Conference Los Angeles, American Society of Civil Engineers, Metallurgical American Institute of Mining, Robert A. Pond, and Patrick Kenny. Rapid Excavation and Tunneling Conference, Los Angeles, California, 1989: Proceedings. New York: Society of Mining Engineers, 1989.

MLA (9th ed.) Citation

North American Rapid Excavation and Tunneling Conference Los Angeles, et al. Rapid Excavation and Tunneling Conference, Los Angeles, California, 1989: Proceedings. Society of Mining Engineers, 1989.