APA (7th ed.) Citation

Vallero, D. A., & Letcher, T. M. (2013). Unraveling environmental disasters. Elsevier.

Chicago Style (17th ed.) Citation

Vallero, Daniel A., and T. M. Letcher. Unraveling Environmental Disasters. Amsterdam: Elsevier, 2013.

MLA (9th ed.) Citation

Vallero, Daniel A., and T. M. Letcher. Unraveling Environmental Disasters. Elsevier, 2013.