APA (7th ed.) Citation

Geological Society of America. Division on Engineering Geology, Pincus, H. J., & Bacon, V. (1973). Geological factors in rapid excavation. Geological Society of America.

Chicago Style (17th ed.) Citation

Geological Society of America. Division on Engineering Geology, Howard J. Pincus, and Vinton Bacon. Geological Factors in Rapid Excavation. [Boulder, Colo.]: Geological Society of America, 1973.

MLA (8th ed.) Citation

Geological Society of America. Division on Engineering Geology, et al. Geological Factors in Rapid Excavation. Geological Society of America, 1973.