APA引文

Gray, P., & Helmer, O. (1974). California futures study: Analysis of impacts of transportation planning : summary report. State of California, Business and Transportation Agency, Dept. of Transportation, Division of Transportation Planning.

Chicago Style (17th ed.) Citation

Gray, Paul, and Olaf Helmer. California Futures Study: Analysis of Impacts of Transportation Planning : Summary Report. [Sacramento]: State of California, Business and Transportation Agency, Dept. of Transportation, Division of Transportation Planning, 1974.

MLA引文

Gray, Paul, and Olaf Helmer. California Futures Study: Analysis of Impacts of Transportation Planning : Summary Report. State of California, Business and Transportation Agency, Dept. of Transportation, Division of Transportation Planning, 1974.