APA (7th ed.) Citation

Ritch, G. P. (1975). State-of-the-art of motorist aid systems. Texas Transportation Institute, Texas A&M University.

Chicago Style (17th ed.) Citation

Ritch, Gene P. State-of-the-art of Motorist Aid Systems. College Station: Texas Transportation Institute, Texas A&M University, 1975.

MLA (9th ed.) Citation

Ritch, Gene P. State-of-the-art of Motorist Aid Systems. Texas Transportation Institute, Texas A&M University, 1975.