Shane, M. D., & Witzke, H. v. (1993). The environment, government policies and international trade: A proceedings. U.S. Department of Agriculture.
Chicago Style (17th ed.) CitationShane, Mathew D., and Harald von Witzke. The Environment, Government Policies and International Trade: A Proceedings. Washington, DC: U.S. Department of Agriculture, 1993.
MLA (9th ed.) CitationShane, Mathew D., and Harald von Witzke. The Environment, Government Policies and International Trade: A Proceedings. U.S. Department of Agriculture, 1993.
Warning: These citations may not always be 100% accurate.