APA (7th ed.) Citation

Hirsch, T. J., Button, J. W., & Buth, E. (1973). Crash tests and evaluation of single post highway signs. Texas Transportation Institute.

Chicago Style (17th ed.) Citation

Hirsch, T. J., J. W. Button, and Eugene Buth. Crash Tests and Evaluation of Single Post Highway Signs. College Station: Texas Transportation Institute, 1973.

MLA (9th ed.) Citation

Hirsch, T. J., et al. Crash Tests and Evaluation of Single Post Highway Signs. Texas Transportation Institute, 1973.