APA

Saunders J., Watkins S., Hoffmann P. & Buckley F. (1985). Comparison of on-road and wind-tunnel tests for tractor-trailer aerodynamic devices, and fuel savings predictions. Warrendale, PA: Society of Automotive Engineers. SAE technical paper 85 02 86.

Chicago

Saunders JW, Watkins S, Hoffmann PH and Buckley FT,Jr. 1985. Comparison of on-road and wind-tunnel tests for tractor-trailer aerodynamic devices, and fuel savings predictions. Warrendale, PA: Society of Automotive Engineers. SAE technical paper 85 02 86.

Harvard

Saunders J., Watkins S., Hoffmann P. and Buckley F. (1985). Comparison of on-road and wind-tunnel tests for tractor-trailer aerodynamic devices, and fuel savings predictions. Warrendale, PA: Society of Automotive Engineers. SAE technical paper 85 02 86.

MLA

Saunders JW, Watkins S, Hoffmann PH and Buckley FT,Jr. Comparison of on-road and wind-tunnel tests for tractor-trailer aerodynamic devices, and fuel savings predictions. Warrendale, PA: Society of Automotive Engineers. SAE technical paper 85 02 86. 1985.