APA

United States, . (2019). Nomination of Christopher C. Krebs to be Under Secretary, National Protection and Programs Directorate, U.S. Department of Homeland Security: hearing before the Committee on Homeland Security and Governmental Affairs, United States Senate, One Hundred Fifteenth Congress, second session : Nomination of Christopher C. Krebs to be Under Secretary, National Protection and Programs Directorate, U.S. Department of Homeland Security, April 25, 2018. Washington: U.S. Government Publishing Office.

Chicago

United States, . 2019. Nomination of Christopher C. Krebs to be Under Secretary, National Protection and Programs Directorate, U.S. Department of Homeland Security: hearing before the Committee on Homeland Security and Governmental Affairs, United States Senate, One Hundred Fifteenth Congress, second session : Nomination of Christopher C. Krebs to be Under Secretary, National Protection and Programs Directorate, U.S. Department of Homeland Security, April 25, 2018. Washington: U.S. Government Publishing Office.

Harvard

United States, . (2019). Nomination of Christopher C. Krebs to be Under Secretary, National Protection and Programs Directorate, U.S. Department of Homeland Security: hearing before the Committee on Homeland Security and Governmental Affairs, United States Senate, One Hundred Fifteenth Congress, second session : Nomination of Christopher C. Krebs to be Under Secretary, National Protection and Programs Directorate, U.S. Department of Homeland Security, April 25, 2018. Washington: U.S. Government Publishing Office.

MLA

United States, . Nomination of Christopher C. Krebs to be Under Secretary, National Protection and Programs Directorate, U.S. Department of Homeland Security: hearing before the Committee on Homeland Security and Governmental Affairs, United States Senate, One Hundred Fifteenth Congress, second session : Nomination of Christopher C. Krebs to be Under Secretary, National Protection and Programs Directorate, U.S. Department of Homeland Security, April 25, 2018. Washington: U.S. Government Publishing Office. 2019.