APA (7th ed.) Citation

Martin, D. J. (1974). Incremental operating costs of cars at roundabouts. Transport and Road Research Laboratory.

Chicago Style (17th ed.) Citation

Martin, D. J. Incremental Operating Costs of Cars at Roundabouts. Crowthorne, Berkshire, Eng.: Transport and Road Research Laboratory, 1974.

MLA (9th ed.) Citation

Martin, D. J. Incremental Operating Costs of Cars at Roundabouts. Transport and Road Research Laboratory, 1974.