APA

United States, . (2018). The state of positive train control implementation in the United States: hearing before the Subcommittee on Railroads, Pipelines, and Hazardous Materials of the Committee on Transportation and Infrastructure, House of Representatives, One Hundred Fifteenth Congress, second session, September 13, 2018. Washington: U.S. Government Publishing Office.

Chicago

United States, . 2018. The state of positive train control implementation in the United States: hearing before the Subcommittee on Railroads, Pipelines, and Hazardous Materials of the Committee on Transportation and Infrastructure, House of Representatives, One Hundred Fifteenth Congress, second session, September 13, 2018. Washington: U.S. Government Publishing Office.

Harvard

United States, . (2018). The state of positive train control implementation in the United States: hearing before the Subcommittee on Railroads, Pipelines, and Hazardous Materials of the Committee on Transportation and Infrastructure, House of Representatives, One Hundred Fifteenth Congress, second session, September 13, 2018. Washington: U.S. Government Publishing Office.

MLA

United States, . The state of positive train control implementation in the United States: hearing before the Subcommittee on Railroads, Pipelines, and Hazardous Materials of the Committee on Transportation and Infrastructure, House of Representatives, One Hundred Fifteenth Congress, second session, September 13, 2018. Washington: U.S. Government Publishing Office. 2018.