APA (7th ed.) Citation

Ruden, R. J., Wasser, C. F., Hulbert, S., & Burg, A. (1977). Motorists' requirements for active grade crossing warning devices. Dept. of Transportation, Federal Highway Administration, Office of Research.

Chicago Style (17th ed.) Citation

Ruden, R. J., C. F. Wasser, Slade Hulbert, and Albert Burg. Motorists' Requirements for Active Grade Crossing Warning Devices. Washington: Dept. of Transportation, Federal Highway Administration, Office of Research, 1977.

MLA (9th ed.) Citation

Ruden, R. J., et al. Motorists' Requirements for Active Grade Crossing Warning Devices. Dept. of Transportation, Federal Highway Administration, Office of Research, 1977.