APA (7th ed.) Citation

Priest, S. D., & Hudson, J. (1975). Rock quality in the Kielder experimental tunnel, Co. Durham. Transport and Road Research Laboratory.

Chicago Style (17th ed.) Citation

Priest, S. D., and John Hudson. Rock Quality in the Kielder Experimental Tunnel, Co. Durham. Crowthorne, Berkshire, [England]: Transport and Road Research Laboratory, 1975.

MLA (9th ed.) Citation

Priest, S. D., and John Hudson. Rock Quality in the Kielder Experimental Tunnel, Co. Durham. Transport and Road Research Laboratory, 1975.