APA (7th ed.) Citation

University of North Carolina (System). Highway Safety Research Center & Johnson, R. D. (1977). Highway safety improvements through utilization of merged accident and roadway data. University of North Carolina, Highway Safety Research Center.

Chicago Style (17th ed.) Citation

University of North Carolina (System). Highway Safety Research Center and Ralph D. Johnson. Highway Safety Improvements Through Utilization of Merged Accident and Roadway Data. Chapel Hill, N.C.: University of North Carolina, Highway Safety Research Center, 1977.

MLA (9th ed.) Citation

University of North Carolina (System). Highway Safety Research Center and Ralph D. Johnson. Highway Safety Improvements Through Utilization of Merged Accident and Roadway Data. University of North Carolina, Highway Safety Research Center, 1977.