Morgan, J. M., Barratt, D. A., & Tilley, D. M. (1977). The tunnelling system for the British section of the Channel Tunnel, Phase II works. Transport and Road Research Laboratory.
Chicago Style (17th ed.) CitationMorgan, J. M., D. A. Barratt, and D. M. Tilley. The Tunnelling System for the British Section of the Channel Tunnel, Phase II Works. Crowthorne, Eng.: Transport and Road Research Laboratory, 1977.
MLA (9th ed.) CitationMorgan, J. M., et al. The Tunnelling System for the British Section of the Channel Tunnel, Phase II Works. Transport and Road Research Laboratory, 1977.
Warning: These citations may not always be 100% accurate.