APA
Transportation Research Record nr 609, . (1976). Highway safety, traffic records, and law enforcement. Washington DC: Transportation Research Record nr 609.
Chicago
Transportation Research Record nr 609, . 1976. Highway safety, traffic records, and law enforcement. Washington DC: Transportation Research Record nr 609.
Harvard
Transportation Research Record nr 609, . (1976). Highway safety, traffic records, and law enforcement. Washington DC: Transportation Research Record nr 609.
MLA
Transportation Research Record nr 609, . Highway safety, traffic records, and law enforcement. Washington DC: Transportation Research Record nr 609. 1976.