APA

United States, . (2016). Defending against bioterrorism: how vulnerable is America? : hearing before the Committee on Homeland Security, House of Representatives, One Hundred Fourteenth Congress, first session, November 3, 2015. Washington: U.S. Government Publishing Office.

Chicago

United States, . 2016. Defending against bioterrorism: how vulnerable is America? : hearing before the Committee on Homeland Security, House of Representatives, One Hundred Fourteenth Congress, first session, November 3, 2015. Washington: U.S. Government Publishing Office.

Harvard

United States, . (2016). Defending against bioterrorism: how vulnerable is America? : hearing before the Committee on Homeland Security, House of Representatives, One Hundred Fourteenth Congress, first session, November 3, 2015. Washington: U.S. Government Publishing Office.

MLA

United States, . Defending against bioterrorism: how vulnerable is America? : hearing before the Committee on Homeland Security, House of Representatives, One Hundred Fourteenth Congress, first session, November 3, 2015. Washington: U.S. Government Publishing Office. 2016.