United States. Congress. Senate. Committee on Environment and Public Works. (2015). Hearing on the nominations of Peter Silva, Stephen Owens, and Jo-Ellen Darcy: Hearing before the Committee on Environment and Public Works, United States Senate, One Hundred Eleventh Congress, first session, May 12, 2009. U.S. Government Publishing Office.
Chicago Style (17th ed.) CitationUnited States. Congress. Senate. Committee on Environment and Public Works. Hearing on the Nominations of Peter Silva, Stephen Owens, and Jo-Ellen Darcy: Hearing Before the Committee on Environment and Public Works, United States Senate, One Hundred Eleventh Congress, First Session, May 12, 2009. Washington: U.S. Government Publishing Office, 2015.
MLA (9th ed.) CitationUnited States. Congress. Senate. Committee on Environment and Public Works. Hearing on the Nominations of Peter Silva, Stephen Owens, and Jo-Ellen Darcy: Hearing Before the Committee on Environment and Public Works, United States Senate, One Hundred Eleventh Congress, First Session, May 12, 2009. U.S. Government Publishing Office, 2015.