United States. Congress. Senate. Committee on Foreign Relations. (2010). Climate change and global security: Challenges, threats and diplomatic opportunities : hearing before the Committee on Foreign Relations, United States Senate, One Hundred Eleventh Congress, first session, July 21, 2009. U.S. G.P.O..
Chicago Style (17th ed.) CitationUnited States. Congress. Senate. Committee on Foreign Relations. Climate Change and Global Security: Challenges, Threats and Diplomatic Opportunities : Hearing Before the Committee on Foreign Relations, United States Senate, One Hundred Eleventh Congress, First Session, July 21, 2009. Washington: U.S. G.P.O., 2010.
MLA (9th ed.) CitationUnited States. Congress. Senate. Committee on Foreign Relations. Climate Change and Global Security: Challenges, Threats and Diplomatic Opportunities : Hearing Before the Committee on Foreign Relations, United States Senate, One Hundred Eleventh Congress, First Session, July 21, 2009. U.S. G.P.O., 2010.