APA (7th ed.) Citation

Roberts, F. L., & Hudson, W. R. (1970). Pavement serviceability equations using the surface dynamics profilometer. Center for Highway Research, University of Texas at Austin.

Chicago Style (17th ed.) Citation

Roberts, Freddy L., and W. Ronald Hudson. Pavement Serviceability Equations Using the Surface Dynamics Profilometer. Austin: Center for Highway Research, University of Texas at Austin, 1970.

MLA (9th ed.) Citation

Roberts, Freddy L., and W. Ronald Hudson. Pavement Serviceability Equations Using the Surface Dynamics Profilometer. Center for Highway Research, University of Texas at Austin, 1970.