APA

United States, . (2019). All arms warfare in the 21st century: hearing before the Subcommittee on Airland of the Committee on Armed Services, United States Senate, One Hundred Fifteenth Congress, first session, March 15, 2017. Washington: U.S. Government Publishing Office.

Chicago

United States, . 2019. All arms warfare in the 21st century: hearing before the Subcommittee on Airland of the Committee on Armed Services, United States Senate, One Hundred Fifteenth Congress, first session, March 15, 2017. Washington: U.S. Government Publishing Office.

Harvard

United States, . (2019). All arms warfare in the 21st century: hearing before the Subcommittee on Airland of the Committee on Armed Services, United States Senate, One Hundred Fifteenth Congress, first session, March 15, 2017. Washington: U.S. Government Publishing Office.

MLA

United States, . All arms warfare in the 21st century: hearing before the Subcommittee on Airland of the Committee on Armed Services, United States Senate, One Hundred Fifteenth Congress, first session, March 15, 2017. Washington: U.S. Government Publishing Office. 2019.