Ullman, G. L., Porter, R. J., & Karkee, G. J. (2009). Monitoring work zone safety and mobility impacts in Texas. Texas Transportation Institute, Texas A & M University.
Chicago Style (17th ed.) CitationUllman, Gerald L., Richard J. Porter, and Ganesh Jung Karkee. Monitoring Work Zone Safety and Mobility Impacts in Texas. College Station, TX: Texas Transportation Institute, Texas A & M University, 2009.
MLA (9th ed.) CitationUllman, Gerald L., et al. Monitoring Work Zone Safety and Mobility Impacts in Texas. Texas Transportation Institute, Texas A & M University, 2009.
Warning: These citations may not always be 100% accurate.