United States. Congress. Senate. Committee on Environment and Public Works. Subcommittee on Superfund and Environmental Health. (2011). EPA's response to 9/11 and lessons learned for future emergency preparedness: Hearing before the Subcommittee on Superfund and Environmental Health of the Committee on Environment and Public Works, United States Senate, One Hundred Tenth Congress, first session, June 20, 2007. U.S. G.P.O..
Chicago Style (17th ed.) CitationUnited States. Congress. Senate. Committee on Environment and Public Works. Subcommittee on Superfund and Environmental Health. EPA's Response to 9/11 and Lessons Learned for Future Emergency Preparedness: Hearing Before the Subcommittee On Superfund and Environmental Health of the Committee On Environment and Public Works, United States Senate, One Hundred Tenth Congress, First Session, June 20, 2007. Washington: U.S. G.P.O., 2011.
MLA (8th ed.) CitationUnited States. Congress. Senate. Committee on Environment and Public Works. Subcommittee on Superfund and Environmental Health. EPA's Response to 9/11 and Lessons Learned for Future Emergency Preparedness: Hearing Before the Subcommittee On Superfund and Environmental Health of the Committee On Environment and Public Works, United States Senate, One Hundred Tenth Congress, First Session, June 20, 2007. U.S. G.P.O., 2011.