एपीए उद्धरण

Smil, V. (2003). Energy at the crossroads: Global perspectives and uncertainties. Cambridge, Mass: MIT Press.

शिकागो स्टाइल उद्धरण

Smil, Vaclav. Energy At the Crossroads: Global Perspectives and Uncertainties. Cambridge, Mass: MIT Press, 2003.

एमएलए उद्धरण

Smil, Vaclav. Energy At the Crossroads: Global Perspectives and Uncertainties. Cambridge, Mass: MIT Press, 2003.