APA

United States, . (2017). The border wall: strengthening our national security : hearing before the Subcommittee on National Security of the Committee on Oversight and Government Reform, House of Representatives, One Hundred Fifteenth Congress, first session, April 27, 2017. Washington: U.S. Government Publishing Office.

Chicago

United States, . 2017. The border wall: strengthening our national security : hearing before the Subcommittee on National Security of the Committee on Oversight and Government Reform, House of Representatives, One Hundred Fifteenth Congress, first session, April 27, 2017. Washington: U.S. Government Publishing Office.

Harvard

United States, . (2017). The border wall: strengthening our national security : hearing before the Subcommittee on National Security of the Committee on Oversight and Government Reform, House of Representatives, One Hundred Fifteenth Congress, first session, April 27, 2017. Washington: U.S. Government Publishing Office.

MLA

United States, . The border wall: strengthening our national security : hearing before the Subcommittee on National Security of the Committee on Oversight and Government Reform, House of Representatives, One Hundred Fifteenth Congress, first session, April 27, 2017. Washington: U.S. Government Publishing Office. 2017.