Gillespie, T. D., Sayers, M. W., & Segel, L. (1980). Calibration of response-type road roughness measuring systems. Transportation Research Board, National Research Council.
Chicago Style (17th ed.) CitationGillespie, T. D., M. W. Sayers, and L. Segel. Calibration of Response-type Road Roughness Measuring Systems. Washington, D.C.: Transportation Research Board, National Research Council, 1980.
MLA (9th ed.) CitationGillespie, T. D., et al. Calibration of Response-type Road Roughness Measuring Systems. Transportation Research Board, National Research Council, 1980.
Warning: These citations may not always be 100% accurate.