APA (7th ed.) Citation

American Association of State Highway and Transportation Officials, United States. Federal Highway Administration, National Cooperative Highway Research Program, & Vandervalk-Ostrander, A. (2009). AASHTO guidelines for traffic data programs. American Association of State Highway and Transportation Officials.

Chicago Style (17th ed.) Citation

American Association of State Highway and Transportation Officials, United States. Federal Highway Administration, National Cooperative Highway Research Program, and Anita Vandervalk-Ostrander. AASHTO Guidelines for Traffic Data Programs. Washington, D.C.: American Association of State Highway and Transportation Officials, 2009.

MLA (9th ed.) Citation

American Association of State Highway and Transportation Officials, et al. AASHTO Guidelines for Traffic Data Programs. American Association of State Highway and Transportation Officials, 2009.