Cita APA

Samtani, N., & Nowatzki, E. A. (2006). Soils and foundations: Reference manual. Washington, D.C.: National Highway Institute.

Citación estilo Chicago

Samtani, Naresh, y Edward A. Nowatzki. Soils and Foundations: Reference Manual. Washington, D.C.: National Highway Institute, 2006.

Cita MLA

Samtani, Naresh, y Edward A. Nowatzki. Soils and Foundations: Reference Manual. Washington, D.C.: National Highway Institute, 2006.