APA

Kuehnel A., Appel H., . (1978). First step to a pedestrian safety car. : SAE Stapp Car Crash Conference 22.

Chicago

Kuehnel A, Appel H, . 1978. First step to a pedestrian safety car. : SAE Stapp Car Crash Conference 22.

Harvard

Kuehnel A., Appel H., . (1978). First step to a pedestrian safety car. : SAE Stapp Car Crash Conference 22.

MLA

Kuehnel A, Appel H, . First step to a pedestrian safety car. : SAE Stapp Car Crash Conference 22. 1978.