United States. Congress. Senate. Committee on Homeland Security and Governmental Affairs. (2012). Biological security: The risk of dual-use research : hearing before the Committee on Homeland Security and Governmental Affairs, United States Senate, One Hundred Twelfth Congress, second session, April 26, 2012. U.S. G.P.O..
Chicago Style (17th ed.) CitationUnited States. Congress. Senate. Committee on Homeland Security and Governmental Affairs. Biological Security: The Risk of Dual-use Research : Hearing Before the Committee on Homeland Security and Governmental Affairs, United States Senate, One Hundred Twelfth Congress, Second Session, April 26, 2012. Washington: U.S. G.P.O., 2012.
MLA (9th ed.) CitationUnited States. Congress. Senate. Committee on Homeland Security and Governmental Affairs. Biological Security: The Risk of Dual-use Research : Hearing Before the Committee on Homeland Security and Governmental Affairs, United States Senate, One Hundred Twelfth Congress, Second Session, April 26, 2012. U.S. G.P.O., 2012.