Knighton, R. G., & Hartgen, D. T. (1977). Incorporating barrier effects in elderly and handicapped non-work transit demand forecasts. New York Dept. of Transportation, Planning and Research Bureau, Planning Division.
Chicago Style (17th ed.) CitationKnighton, Robert G., and David T. Hartgen. Incorporating Barrier Effects in Elderly and Handicapped Non-work Transit Demand Forecasts. Albany: New York Dept. of Transportation, Planning and Research Bureau, Planning Division, 1977.
MLA (9th ed.) CitationKnighton, Robert G., and David T. Hartgen. Incorporating Barrier Effects in Elderly and Handicapped Non-work Transit Demand Forecasts. New York Dept. of Transportation, Planning and Research Bureau, Planning Division, 1977.
Warning: These citations may not always be 100% accurate.