APA (7th ed.) Citation

Bowen, C. K. (1993). Estimation of recognition distances for static symbolic highway warning signs. [publisher not identified].

Chicago Style (17th ed.) Citation

Bowen, Charles Kent. Estimation of Recognition Distances for Static Symbolic Highway Warning Signs. [Place of publication not identified]: [publisher not identified], 1993.

MLA (9th ed.) Citation

Bowen, Charles Kent. Estimation of Recognition Distances for Static Symbolic Highway Warning Signs. [publisher not identified], 1993.