APA (7th ed.) Citation

Nordstrom, H., & Vaughan, S. (1999). Trade and environment. WTO.

Chicago Style (17th ed.) Citation

Nordstrom, Hnkan, and Scott Vaughan. Trade and Environment. Geneva: WTO, 1999.

MLA (9th ed.) Citation

Nordstrom, Hnkan, and Scott Vaughan. Trade and Environment. WTO, 1999.