APA引文

Roy Jorgensen Associates, National Research Council (U.S.). Transportation Research Board, American Association of State Highway and Transportation Officials, & United States. Federal Highway Administration. (1978). Cost and safety effectiveness of highway design elements. Transportation Research Board, National Research Council.

Chicago Style (17th ed.) Citation

Roy Jorgensen Associates, National Research Council (U.S.). Transportation Research Board, American Association of State Highway and Transportation Officials, and United States. Federal Highway Administration. Cost and Safety Effectiveness of Highway Design Elements. Washington, D.C: Transportation Research Board, National Research Council, 1978.

MLA引文

Roy Jorgensen Associates, et al. Cost and Safety Effectiveness of Highway Design Elements. Transportation Research Board, National Research Council, 1978.