APA
Transportation Research Record 1021, . (1985). Transportation system management and signal systems. Washington DC: Transportation Research Record 1021.
Chicago
Transportation Research Record 1021, . 1985. Transportation system management and signal systems. Washington DC: Transportation Research Record 1021.
Harvard
Transportation Research Record 1021, . (1985). Transportation system management and signal systems. Washington DC: Transportation Research Record 1021.
MLA
Transportation Research Record 1021, . Transportation system management and signal systems. Washington DC: Transportation Research Record 1021. 1985.