APA

United States, . (2019). National security challenges and U.S. military activities in the greater Middle East and Africa: Committee on Armed Services, House of Representatives, One Hundred Sixteenth Congress, first session, hearing held March 7, 2019. Washington: U.S. Government Publishing Office.

Chicago

United States, . 2019. National security challenges and U.S. military activities in the greater Middle East and Africa: Committee on Armed Services, House of Representatives, One Hundred Sixteenth Congress, first session, hearing held March 7, 2019. Washington: U.S. Government Publishing Office.

Harvard

United States, . (2019). National security challenges and U.S. military activities in the greater Middle East and Africa: Committee on Armed Services, House of Representatives, One Hundred Sixteenth Congress, first session, hearing held March 7, 2019. Washington: U.S. Government Publishing Office.

MLA

United States, . National security challenges and U.S. military activities in the greater Middle East and Africa: Committee on Armed Services, House of Representatives, One Hundred Sixteenth Congress, first session, hearing held March 7, 2019. Washington: U.S. Government Publishing Office. 2019.