Cita APA

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

Citación estilo Chicago

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

Cita MLA

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