Cita APA (7a ed.)

Rapid Excavation and Tunneling Conference San Francisco, Calif, ebrary, Inc, Redmond, S., & Romero, V. (2011). 2011 rapid excavation and tunneling conference: Proceedings. Society for Mining, Metallurgy, and Exploration, Inc..

Cita Chicago Style (17a ed.)

Rapid Excavation and Tunneling Conference San Francisco, Calif, Inc ebrary, Steve Redmond, y Victor Romero. 2011 Rapid Excavation and Tunneling Conference: Proceedings. Englewood, Colo.: Society for Mining, Metallurgy, and Exploration, Inc., 2011.

Cita MLA (9a ed.)

Rapid Excavation and Tunneling Conference San Francisco, Calif, et al. 2011 Rapid Excavation and Tunneling Conference: Proceedings. Society for Mining, Metallurgy, and Exploration, Inc., 2011.