APA

United States, . (2017). Terrorist travel: vetting for national security concerns : hearing before the Committee on Oversight and Government Reform, House of Representatives, One Hundred Fourteenth Congress, first session, December 17, 2015. Washington: U.S. Government Publishing Office.

Chicago

United States, . 2017. Terrorist travel: vetting for national security concerns : hearing before the Committee on Oversight and Government Reform, House of Representatives, One Hundred Fourteenth Congress, first session, December 17, 2015. Washington: U.S. Government Publishing Office.

Harvard

United States, . (2017). Terrorist travel: vetting for national security concerns : hearing before the Committee on Oversight and Government Reform, House of Representatives, One Hundred Fourteenth Congress, first session, December 17, 2015. Washington: U.S. Government Publishing Office.

MLA

United States, . Terrorist travel: vetting for national security concerns : hearing before the Committee on Oversight and Government Reform, House of Representatives, One Hundred Fourteenth Congress, first session, December 17, 2015. Washington: U.S. Government Publishing Office. 2017.