APA

United States, . (2019). Assessing the homeland security impacts of a changing climate: hearing before the Subcommittee on Emergency Preparedness, Response, and Recovery of the Committee on Homeland Security, House of Representatives, One Hundred Sixteenth Congress, first session, April 9, 2019. Washington: U.S. Government Publishing Office.

Chicago

United States, . 2019. Assessing the homeland security impacts of a changing climate: hearing before the Subcommittee on Emergency Preparedness, Response, and Recovery of the Committee on Homeland Security, House of Representatives, One Hundred Sixteenth Congress, first session, April 9, 2019. Washington: U.S. Government Publishing Office.

Harvard

United States, . (2019). Assessing the homeland security impacts of a changing climate: hearing before the Subcommittee on Emergency Preparedness, Response, and Recovery of the Committee on Homeland Security, House of Representatives, One Hundred Sixteenth Congress, first session, April 9, 2019. Washington: U.S. Government Publishing Office.

MLA

United States, . Assessing the homeland security impacts of a changing climate: hearing before the Subcommittee on Emergency Preparedness, Response, and Recovery of the Committee on Homeland Security, House of Representatives, One Hundred Sixteenth Congress, first session, April 9, 2019. Washington: U.S. Government Publishing Office. 2019.