United States. Congress. Senate. Committee on Energy and Natural Resources. (2021). The sourcing and use of minerals needed for clean energy technologies: Hearing before the Committee on Energy and Natural Resources, United States Senate, One Hundred Sixteenth Congress, first session, September 17, 2019. U.S. Government Publishing Office.
Chicago Style (17th ed.) CitationUnited States. Congress. Senate. Committee on Energy and Natural Resources. The Sourcing and Use of Minerals Needed for Clean Energy Technologies: Hearing Before the Committee on Energy and Natural Resources, United States Senate, One Hundred Sixteenth Congress, First Session, September 17, 2019. Washington: U.S. Government Publishing Office, 2021.
MLA (9th ed.) CitationUnited States. Congress. Senate. Committee on Energy and Natural Resources. The Sourcing and Use of Minerals Needed for Clean Energy Technologies: Hearing Before the Committee on Energy and Natural Resources, United States Senate, One Hundred Sixteenth Congress, First Session, September 17, 2019. U.S. Government Publishing Office, 2021.