APA (7th ed.) Citation

United States. Congress. House. Committee on Science, Space, and Technology (2011- ). (2019). Event horizon telescope: The black hole seen round the world : hearing before the Committee on Science, Space, and Technology, House of Representatives, One Hundred Sixteenth Congress, first session, May 16, 2019. U.S. Government Publishing Office.

Chicago Style (17th ed.) Citation

United States. Congress. House. Committee on Science, Space, and Technology (2011- ). Event Horizon Telescope: The Black Hole Seen Round the World : Hearing Before the Committee on Science, Space, and Technology, House of Representatives, One Hundred Sixteenth Congress, First Session, May 16, 2019. Washington: U.S. Government Publishing Office, 2019.

MLA (9th ed.) Citation

United States. Congress. House. Committee on Science, Space, and Technology (2011- ). Event Horizon Telescope: The Black Hole Seen Round the World : Hearing Before the Committee on Science, Space, and Technology, House of Representatives, One Hundred Sixteenth Congress, First Session, May 16, 2019. U.S. Government Publishing Office, 2019.