APA (7th ed.) Citation

Courage, K. G. (1968). Refinement of freeway surveillance & control techniques by optical speed and occupancy detection. [publisher not identified].

Chicago Style (17th ed.) Citation

Courage, K. G. Refinement of Freeway Surveillance & Control Techniques by Optical Speed and Occupancy Detection. [College Station, Tex.]: [publisher not identified], 1968.

MLA (9th ed.) Citation

Courage, K. G. Refinement of Freeway Surveillance & Control Techniques by Optical Speed and Occupancy Detection. [publisher not identified], 1968.