APA (7th ed.) Citation

Richards, H. A., & Lamkin, J. (1970). Statistical and economic aspects of rail-highway grade crossing safety improvement programs in Texas. Texas Transportation Institute, Texas A&M University.

Chicago Style (17th ed.) Citation

Richards, Hoy A., and Jack Lamkin. Statistical and Economic Aspects of Rail-highway Grade Crossing Safety Improvement Programs in Texas. College Station: Texas Transportation Institute, Texas A&M University, 1970.

MLA (9th ed.) Citation

Richards, Hoy A., and Jack Lamkin. Statistical and Economic Aspects of Rail-highway Grade Crossing Safety Improvement Programs in Texas. Texas Transportation Institute, Texas A&M University, 1970.