Cita APA (7th ed.)

Smil, V. (2008). Global catastrophes and trends: The next fifty years. MIT Press.

Cita Chicago (17th ed.)

Smil, Vaclav. Global Catastrophes and Trends: The Next Fifty Years. Cambridge, MA: MIT Press, 2008.

Cita MLA (9th ed.)

Smil, Vaclav. Global Catastrophes and Trends: The Next Fifty Years. MIT Press, 2008.