APA

United States, . (2016). Promoting and improving children's health protections: hearing before the Subcommittee on Children's Health of the Committee on Environment and Public Works, United States Senate, One Hundred Eleventh Congress, first session, September 29, 2009. Washington: U.S. Government Publishing Office.

Chicago

United States, . 2016. Promoting and improving children's health protections: hearing before the Subcommittee on Children's Health of the Committee on Environment and Public Works, United States Senate, One Hundred Eleventh Congress, first session, September 29, 2009. Washington: U.S. Government Publishing Office.

Harvard

United States, . (2016). Promoting and improving children's health protections: hearing before the Subcommittee on Children's Health of the Committee on Environment and Public Works, United States Senate, One Hundred Eleventh Congress, first session, September 29, 2009. Washington: U.S. Government Publishing Office.

MLA

United States, . Promoting and improving children's health protections: hearing before the Subcommittee on Children's Health of the Committee on Environment and Public Works, United States Senate, One Hundred Eleventh Congress, first session, September 29, 2009. Washington: U.S. Government Publishing Office. 2016.