APA

Johannessen H., Pulley C., . (1977). Safety belt use laws in Europe - a positive initiative for saving lives. Warrendale, PA: Society of Automotive Engineers. Paper nr 77 01 52.

Chicago

Johannessen HG, Pulley CH, . 1977. Safety belt use laws in Europe - a positive initiative for saving lives. Warrendale, PA: Society of Automotive Engineers. Paper nr 77 01 52.

Harvard

Johannessen H., Pulley C., . (1977). Safety belt use laws in Europe - a positive initiative for saving lives. Warrendale, PA: Society of Automotive Engineers. Paper nr 77 01 52.

MLA

Johannessen HG, Pulley CH, . Safety belt use laws in Europe - a positive initiative for saving lives. Warrendale, PA: Society of Automotive Engineers. Paper nr 77 01 52. 1977.