Hartgen, D. T., & Erlbaum, N. S. (1980). Transportation energy impact assessment methods: Current capabilities and future needs. N.Y. State Dept. of Transportation.
Chicago Style (17th ed.) CitationHartgen, David T., and Nathan S. Erlbaum. Transportation Energy Impact Assessment Methods: Current Capabilities and Future Needs. Albany, N.Y.: N.Y. State Dept. of Transportation, 1980.
MLA (9th ed.) CitationHartgen, David T., and Nathan S. Erlbaum. Transportation Energy Impact Assessment Methods: Current Capabilities and Future Needs. N.Y. State Dept. of Transportation, 1980.
Warning: These citations may not always be 100% accurate.