APA (7th ed.) Citation

(2014). Ramp metering: A proven effective strategy. U.S. Department of Transportation, Federal Highway Administration.

Chicago Style (17th ed.) Citation

Ramp Metering: A Proven Effective Strategy. [Washington, D.C.]: U.S. Department of Transportation, Federal Highway Administration, 2014.

MLA (9th ed.) Citation

Ramp Metering: A Proven Effective Strategy. U.S. Department of Transportation, Federal Highway Administration, 2014.

Warning: These citations may not always be 100% accurate.