APA (7th ed.) Citation

Transport and Road Research Laboratory & Davies, T. P. (1981). Kielder aqueduct tunnels: Predicted and actual geology. Transport and Road Research Laboratory.

Chicago Style (17th ed.) Citation

Transport and Road Research Laboratory and T. P. Davies. Kielder Aqueduct Tunnels: Predicted and Actual Geology. Crowthorne, Berkshire: Transport and Road Research Laboratory, 1981.

MLA (9th ed.) Citation

Transport and Road Research Laboratory and T. P. Davies. Kielder Aqueduct Tunnels: Predicted and Actual Geology. Transport and Road Research Laboratory, 1981.