APA (7th ed.) Citation

(2002). North America's environment: A thirty-year state of the environment and policy retrospective / UNEP, in cooperation with CEC, IISD, WRI.

Chicago Style (17th ed.) Citation

North America's Environment: A Thirty-year State of the Environment and Policy Retrospective / UNEP, in Cooperation with CEC, IISD, WRI. 2002.

MLA (9th ed.) Citation

North America's Environment: A Thirty-year State of the Environment and Policy Retrospective / UNEP, in Cooperation with CEC, IISD, WRI. 2002.

Warning: These citations may not always be 100% accurate.