Cita APA

American Association of State Highway and Transportation Officials, & American Association of State Highway and Transportation Officials. (2014). AASHTO Provisional Standards (18. edition.). Washington, D.C.: American Association of State Highway and Transportation Officials.

Citación estilo Chicago

American Association of State Highway and Transportation Officials, y American Association of State Highway and Transportation Officials. AASHTO Provisional Standards. 18. edition. Washington, D.C.: American Association of State Highway and Transportation Officials, 2014.

Cita MLA

American Association of State Highway and Transportation Officials, y American Association of State Highway and Transportation Officials. AASHTO Provisional Standards. 18. edition. Washington, D.C.: American Association of State Highway and Transportation Officials, 2014.