APA

Davis W., Eryou N. & Patry J. (1977). Operational road tests of truck aerodynamic drag reduction devices. Warrendale, PA: Society of Automotive Engineers. Paper nr 77 06 90.

Chicago

Davis WR, Eryou ND and Patry JC. 1977. Operational road tests of truck aerodynamic drag reduction devices. Warrendale, PA: Society of Automotive Engineers. Paper nr 77 06 90.

Harvard

Davis W., Eryou N. and Patry J. (1977). Operational road tests of truck aerodynamic drag reduction devices. Warrendale, PA: Society of Automotive Engineers. Paper nr 77 06 90.

MLA

Davis WR, Eryou ND and Patry JC. Operational road tests of truck aerodynamic drag reduction devices. Warrendale, PA: Society of Automotive Engineers. Paper nr 77 06 90. 1977.