APA

Duncan L., . (1980). Aerodynamic evaluations of the 1980 F-series light and medium trucks and the 1978 CL-9000 heavy truck. Warrendale, PA: SAE technical paper 80 14 05.

Chicago

Duncan LT, . 1980. Aerodynamic evaluations of the 1980 F-series light and medium trucks and the 1978 CL-9000 heavy truck. Warrendale, PA: SAE technical paper 80 14 05.

Harvard

Duncan L., . (1980). Aerodynamic evaluations of the 1980 F-series light and medium trucks and the 1978 CL-9000 heavy truck. Warrendale, PA: SAE technical paper 80 14 05.

MLA

Duncan LT, . Aerodynamic evaluations of the 1980 F-series light and medium trucks and the 1978 CL-9000 heavy truck. Warrendale, PA: SAE technical paper 80 14 05. 1980.