APA (7th ed.) Citation

Hufbauer. (2000). NAFTA and the environment: Seven years later. Institute for International Economics.

Chicago Style (17th ed.) Citation

Hufbauer. NAFTA and the Environment: Seven Years Later. Washington: Institute for International Economics, 2000.

MLA (8th ed.) Citation

Hufbauer. NAFTA and the Environment: Seven Years Later. Institute for International Economics, 2000.