APA

Preston F., O'Day J., . (1977). Relationship between occupant safety and the proportion of small cars on the road. Warrendale, PA: Society of Automotive Engineers, Paper nr 77 08 07.

Chicago

Preston FL, O'Day J, . 1977. Relationship between occupant safety and the proportion of small cars on the road. Warrendale, PA: Society of Automotive Engineers, Paper nr 77 08 07.

Harvard

Preston F., O'Day J., . (1977). Relationship between occupant safety and the proportion of small cars on the road. Warrendale, PA: Society of Automotive Engineers, Paper nr 77 08 07.

MLA

Preston FL, O'Day J, . Relationship between occupant safety and the proportion of small cars on the road. Warrendale, PA: Society of Automotive Engineers, Paper nr 77 08 07. 1977.