APA (7th ed.) Citation

Ritch, G. P. (1971). Digital computer programs for the ramp metering system on the Gulf Freeway. Texas Transportation Institute.

Chicago Style (17th ed.) Citation

Ritch, Gene P. Digital Computer Programs for the Ramp Metering System on the Gulf Freeway. College Station: Texas Transportation Institute, 1971.

MLA (9th ed.) Citation

Ritch, Gene P. Digital Computer Programs for the Ramp Metering System on the Gulf Freeway. Texas Transportation Institute, 1971.

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