Cita APA (7th ed.)
Smith, K. (2013). Environmental hazards: Assessing risk and reducing disaster (6th ed.). Routledge Taylor & Francis Group.
Cita Chicago (17th ed.)
Smith, Keith. Environmental Hazards: Assessing Risk and Reducing Disaster. 6th ed. London New York: Routledge Taylor & Francis Group, 2013.
Cita MLA (9th ed.)
Smith, Keith. Environmental Hazards: Assessing Risk and Reducing Disaster. 6th ed. Routledge Taylor & Francis Group, 2013.
Atenció: Aquestes cites poden no estar 100% correctes.