Forkenbrock, D. J., & Hoefer, C. A. (1982). Variable motor fuel taxes: Problems and prospects. Institute of Urban and Regional Research, University of Iowa.
Chicago Style (17th ed.) CitationForkenbrock, David J., and Constance A. Hoefer. Variable Motor Fuel Taxes: Problems and Prospects. Iowa City, Iowa: Institute of Urban and Regional Research, University of Iowa, 1982.
MLA (9th ed.) CitationForkenbrock, David J., and Constance A. Hoefer. Variable Motor Fuel Taxes: Problems and Prospects. Institute of Urban and Regional Research, University of Iowa, 1982.
Warning: These citations may not always be 100% accurate.