Houghton, J. T., Jenkins, G., & Ephraums, J. (1993). Climate change: The IPCC scientific assessment. Cambridge University Press.
Cita Chicago Style (17a ed.)Houghton, John Theodore, G.J Jenkins, y J.J Ephraums. Climate Change: The IPCC Scientific Assessment. Cambridge [etc.]: Cambridge University Press, 1993.
Cita MLA (9a ed.)Houghton, John Theodore, et al. Climate Change: The IPCC Scientific Assessment. Cambridge University Press, 1993.
Precaución: Estas citas no son 100% exactas.