APA (7th ed.) Citation

Harris, C. S., Hart, M. B., & Varley, P. M. (1996). Engineering geology of the Channel Tunnel. Thomas Telford.

Chicago Style (17th ed.) Citation

Harris, Colin S., Malcolm B. Hart, and Paul M. Varley. Engineering Geology of the Channel Tunnel. London: Thomas Telford, 1996.

MLA (8th ed.) Citation

Harris, Colin S., et al. Engineering Geology of the Channel Tunnel. Thomas Telford, 1996.