Citazione Stile APA (7a Edizione)

Smith, K., & Petley, D. N. (2009). Environmental Hazards: Assessing risk and reducing disaster (5th ed.). Routledge.

Citazione stile Chigago Style (17a edizione)

Smith, Keith, e David N. Petley. Environmental Hazards: Assessing Risk and Reducing Disaster. 5th ed. London: Routledge, 2009.

Citatione MLA (9a ed.)

Smith, Keith, e David N. Petley. Environmental Hazards: Assessing Risk and Reducing Disaster. 5th ed. Routledge, 2009.