APA (7th ed.) Citation

TRL Library Services. (1993). Channel tunnel. Transport Research Laboratory, Library Service.

Chicago Style (17th ed.) Citation

TRL Library Services. Channel Tunnel. Crowthorne: Transport Research Laboratory, Library Service, 1993.

MLA (9th ed.) Citation

TRL Library Services. Channel Tunnel. Transport Research Laboratory, Library Service, 1993.

Warning: These citations may not always be 100% accurate.