APA (7th ed.) Citation

Downing, T. E., Olsthoorn, A. A., & Tol, R. S. J. (1999). Climate, change and risk. Routledge.

Chicago Style (17th ed.) Citation

Downing, Thomas E., Alexander A. Olsthoorn, and Richard S. J. Tol. Climate, Change and Risk. London ; New York: Routledge, 1999.

MLA (9th ed.) Citation

Downing, Thomas E., et al. Climate, Change and Risk. Routledge, 1999.