Cita APA (7a ed.)
Smil, V. (2003). Energy at the crossroads: Global perspectives and uncertainties. MIT Press.
Cita Chicago Style (17a ed.)
Smil, Vaclav. Energy at the Crossroads: Global Perspectives and Uncertainties. Cambridge, Mass: MIT Press, 2003.
Cita MLA (9a ed.)
Smil, Vaclav. Energy at the Crossroads: Global Perspectives and Uncertainties. MIT Press, 2003.
Precaución: Estas citas no son 100% exactas.