APA

United States, . (2020). 2020 election security--perspectives from voting system vendors and experts: hearing before the Committee on House Administration, House of Representatives, One Hundred Sixteenth Congress, second session, January 9, 2020. Washington: U.S. Government Publishing Office.

Chicago

United States, . 2020. 2020 election security--perspectives from voting system vendors and experts: hearing before the Committee on House Administration, House of Representatives, One Hundred Sixteenth Congress, second session, January 9, 2020. Washington: U.S. Government Publishing Office.

Harvard

United States, . (2020). 2020 election security--perspectives from voting system vendors and experts: hearing before the Committee on House Administration, House of Representatives, One Hundred Sixteenth Congress, second session, January 9, 2020. Washington: U.S. Government Publishing Office.

MLA

United States, . 2020 election security--perspectives from voting system vendors and experts: hearing before the Committee on House Administration, House of Representatives, One Hundred Sixteenth Congress, second session, January 9, 2020. Washington: U.S. Government Publishing Office. 2020.