APA (7th ed.) Citation

Barker, M. G., Staebler, J. R., & Barth, K. E. (2011). Serviceability limits and economical steel bridge design. U.S. Department of Transportation, Federal Highway Administration.

Chicago Style (17th ed.) Citation

Barker, Michael G., James R. Staebler, and Karl E. Barth. Serviceability Limits and Economical Steel Bridge Design. Washington, DC: U.S. Department of Transportation, Federal Highway Administration, 2011.

MLA (9th ed.) Citation

Barker, Michael G., et al. Serviceability Limits and Economical Steel Bridge Design. U.S. Department of Transportation, Federal Highway Administration, 2011.