United States. Congress. Senate. Committee on Foreign Relations. (2020). NATO at 70: a strategic partnership for the 21st century: Hearing before the Committee on Foreign Relations, United States Senate, One Hundred Sixteenth Congress, first session, April 2, 2019. U.S. Government Publishing Office.
Chicago Style (17th ed.) CitationUnited States. Congress. Senate. Committee on Foreign Relations. NATO at 70: A Strategic Partnership for the 21st Century: Hearing Before the Committee on Foreign Relations, United States Senate, One Hundred Sixteenth Congress, First Session, April 2, 2019. Washington: U.S. Government Publishing Office, 2020.
MLA (9th ed.) CitationUnited States. Congress. Senate. Committee on Foreign Relations. NATO at 70: A Strategic Partnership for the 21st Century: Hearing Before the Committee on Foreign Relations, United States Senate, One Hundred Sixteenth Congress, First Session, April 2, 2019. U.S. Government Publishing Office, 2020.