APA (7th ed.) Citation

IPCC Working Group I & McCarthy, J. J. (2001). Climate change 2001 (1.publ.).

Chicago Style (17th ed.) Citation

IPCC Working Group I and James J. McCarthy. Climate Change 2001. 1.publ. Cambridge, 2001.

MLA (9th ed.) Citation

IPCC Working Group I and James J. McCarthy. Climate Change 2001. 1.publ. 2001.