APA (7th ed.) Citation

Rutter, J., & Gray, S. M. (2000). An investigation into factors associated with hard shoulder stoppages. Transport Research Laboratory.

Chicago Style (17th ed.) Citation

Rutter, J., and S. M. Gray. An Investigation into Factors Associated with Hard Shoulder Stoppages. Crowthorne, Berkshire: Transport Research Laboratory, 2000.

MLA (9th ed.) Citation

Rutter, J., and S. M. Gray. An Investigation into Factors Associated with Hard Shoulder Stoppages. Transport Research Laboratory, 2000.