APA (7th ed.) Citation

Voigt, A. P., Fenno, D. W., & Borchardt, D. W. (2003). Speeds on Houston freeway connector ramps show variations by vehicle type. Texas Transportation Institute, Texas A & M University System.

Chicago Style (17th ed.) Citation

Voigt, Anthony P., David W. Fenno, and Darrell W. Borchardt. Speeds on Houston Freeway Connector Ramps Show Variations by Vehicle Type. [College Station, Tex.]: Texas Transportation Institute, Texas A & M University System, 2003.

MLA (9th ed.) Citation

Voigt, Anthony P., et al. Speeds on Houston Freeway Connector Ramps Show Variations by Vehicle Type. Texas Transportation Institute, Texas A & M University System, 2003.