Cita APA (7th ed.)
Penna, A. N., & Rivers, J. S. (2013). Natural disasters in a global environment. Wiley-Blackwell.
Cita Chicago (17th ed.)
Penna, Anthony N., i Jennifer S. Rivers. Natural Disasters in a Global Environment. Chichester, West Sussex, U.K.: Wiley-Blackwell, 2013.
Cita MLA (9th ed.)
Penna, Anthony N., i Jennifer S. Rivers. Natural Disasters in a Global Environment. Wiley-Blackwell, 2013.
Atenció: Aquestes cites poden no estar 100% correctes.