APA
United States, . (2017). Improving security and efficiency at OPM and the National Background Investigations Bureau: hearing before the Committee on Oversight and Government Reform, House of Representatives, One Hundred Fifteenth Congress, first session, February 2, 2017. Washington: U.S. Government Publishing Office.
Chicago
United States, . 2017. Improving security and efficiency at OPM and the National Background Investigations Bureau: hearing before the Committee on Oversight and Government Reform, House of Representatives, One Hundred Fifteenth Congress, first session, February 2, 2017. Washington: U.S. Government Publishing Office.
Harvard
United States, . (2017). Improving security and efficiency at OPM and the National Background Investigations Bureau: hearing before the Committee on Oversight and Government Reform, House of Representatives, One Hundred Fifteenth Congress, first session, February 2, 2017. Washington: U.S. Government Publishing Office.
MLA
United States, . Improving security and efficiency at OPM and the National Background Investigations Bureau: hearing before the Committee on Oversight and Government Reform, House of Representatives, One Hundred Fifteenth Congress, first session, February 2, 2017. Washington: U.S. Government Publishing Office. 2017.