United States. Congress. House. Committee on Science. Subcommittee on Energy and Environment & ProQuest (Firm). (1997). The science behind the Environmental Protection Agency's (EPA's) proposed revisions to the national ambient air quality standards for ozone and particulate matter, parts I-III: Hearings before the Subcommittee on Energy and Environment of the Committee on Science, U.S. House of Representatives, One Hundred Fifth Congress, first session, March 12, May 7 and 21, 1997. U.S. G.P.O..
Chicago Style (17th ed.) CitationUnited States. Congress. House. Committee on Science. Subcommittee on Energy and Environment and ProQuest (Firm). The Science Behind the Environmental Protection Agency's (EPA's) Proposed Revisions to the National Ambient Air Quality Standards for Ozone and Particulate Matter, Parts I-III: Hearings Before the Subcommittee on Energy and Environment of the Committee on Science, U.S. House of Representatives, One Hundred Fifth Congress, First Session, March 12, May 7 and 21, 1997. Washington: U.S. G.P.O., 1997.
MLA (9th ed.) CitationUnited States. Congress. House. Committee on Science. Subcommittee on Energy and Environment and ProQuest (Firm). The Science Behind the Environmental Protection Agency's (EPA's) Proposed Revisions to the National Ambient Air Quality Standards for Ozone and Particulate Matter, Parts I-III: Hearings Before the Subcommittee on Energy and Environment of the Committee on Science, U.S. House of Representatives, One Hundred Fifth Congress, First Session, March 12, May 7 and 21, 1997. U.S. G.P.O., 1997.