APA (7th ed.) Citation

Puppala, A. J., Hudyma, N., & Likos, W. J. (2007). Problematic Soils and Rocks and In Situ Characterization. American Society of Civil Engineers.

Chicago Style (17th ed.) Citation

Puppala, A. J., N. Hudyma, and W. J. Likos. Problematic Soils and Rocks and In Situ Characterization. Reston, VA: American Society of Civil Engineers, 2007.

MLA (9th ed.) Citation

Puppala, A. J., et al. Problematic Soils and Rocks and In Situ Characterization. American Society of Civil Engineers, 2007.