APA

Transportation Research Record 1149, . (1987). Visibility for highway guidance and hazard detection. Washington DC: Transportation Research Record 1149.

Chicago

Transportation Research Record 1149, . 1987. Visibility for highway guidance and hazard detection. Washington DC: Transportation Research Record 1149.

Harvard

Transportation Research Record 1149, . (1987). Visibility for highway guidance and hazard detection. Washington DC: Transportation Research Record 1149.

MLA

Transportation Research Record 1149, . Visibility for highway guidance and hazard detection. Washington DC: Transportation Research Record 1149. 1987.