APA (7th ed.) Citation

Houghton, J. T., Jenkins, G. J., & Ephraums, J. J. (1990). Climate change: The IPCC scientific assessment. Cambridge University Press.

Chicago Style (17th ed.) Citation

Houghton, John Theodore, G. J. Jenkins, and J. J. Ephraums. Climate Change: The IPCC Scientific Assessment. Cambridge: Cambridge University Press, 1990.

MLA (8th ed.) Citation

Houghton, John Theodore, et al. Climate Change: The IPCC Scientific Assessment. Cambridge University Press, 1990.