APA (7th ed.) Citation

American Association of State Highway and Transportation Officials. Subcommittee on Bridges and Structures & Imbsen, R. A. (2009). AASHTO guide specifications for LRFD seismic bridge design (1st ed./2009.). American Association of State Highway and Transportation Officials.

Chicago Style (17th ed.) Citation

American Association of State Highway and Transportation Officials. Subcommittee on Bridges and Structures and Roy A. Imbsen. AASHTO Guide Specifications for LRFD Seismic Bridge Design. 1st ed./2009. Washington, DC: American Association of State Highway and Transportation Officials, 2009.

MLA (9th ed.) Citation

American Association of State Highway and Transportation Officials. Subcommittee on Bridges and Structures and Roy A. Imbsen. AASHTO Guide Specifications for LRFD Seismic Bridge Design. 1st ed./2009. American Association of State Highway and Transportation Officials, 2009.