APA (7th ed.) Citation

Nettleton, D. A., & Torkelson, J. S. (1977). Arch bridges. Dept. of Transportation, Federal Highway Administration, Office of Engineering, Bridge Division.

Chicago Style (17th ed.) Citation

Nettleton, Douglas A., and John S. Torkelson. Arch Bridges. Washington: Dept. of Transportation, Federal Highway Administration, Office of Engineering, Bridge Division, 1977.

MLA (9th ed.) Citation

Nettleton, Douglas A., and John S. Torkelson. Arch Bridges. Dept. of Transportation, Federal Highway Administration, Office of Engineering, Bridge Division, 1977.