APA (7th ed.) Citation

North American Rapid Excavation and Tunneling Conference San Francisco, American Society of Civil Engineers, American Institute of Mining, Metallurgical, and Petroleum Engineers, Bullock, R. L., & Jacoby, H. J. (1981). Rapid Excavation and Tunneling Conference, San Francisco, California, May 3-7, 1981: Proceedings. Society of Mining Engineers.

Chicago Style (17th ed.) Citation

North American Rapid Excavation and Tunneling Conference San Francisco, American Society of Civil Engineers, Metallurgical American Institute of Mining, Richard L. Bullock, and Henrey J. Jacoby. Rapid Excavation and Tunneling Conference, San Francisco, California, May 3-7, 1981: Proceedings. New York: Society of Mining Engineers, 1981.

MLA (9th ed.) Citation

North American Rapid Excavation and Tunneling Conference San Francisco, et al. Rapid Excavation and Tunneling Conference, San Francisco, California, May 3-7, 1981: Proceedings. Society of Mining Engineers, 1981.