Cita APA

American Association of State Highway and Transportation Officials. (2009). Guide specifications for LRFD seismic bridge desing (2nd Edition.). Washington, DC.: ASSHTO.

Citación estilo Chicago

American Association of State Highway and Transportation Officials. Guide Specifications for LRFD Seismic Bridge Desing. 2nd Edition. Washington, DC.: ASSHTO, 2009.

Cita MLA

American Association of State Highway and Transportation Officials. Guide Specifications for LRFD Seismic Bridge Desing. 2nd Edition. Washington, DC.: ASSHTO, 2009.