APA (7th ed.) Citation

Williams, T., Simmons, I. C. P., & Jacklin, D. J. (1981). Fuel consumption testing of heavy goods vehicles. Transport and Road Research Laboratory.

Chicago Style (17th ed.) Citation

Williams, T., I. C. P. Simmons, and D. J. Jacklin. Fuel Consumption Testing of Heavy Goods Vehicles. Crowthorne, Berkshire: Transport and Road Research Laboratory, 1981.

MLA (9th ed.) Citation

Williams, T., et al. Fuel Consumption Testing of Heavy Goods Vehicles. Transport and Road Research Laboratory, 1981.