APA (7th ed.) Citation

United States. Congress. House. Committee on Energy and Commerce. Subcommittee on Oversight and Investigations & ProQuest (Firm). (1990). Ozone layer depletion: Hearing before the Subcommittee on Oversight and Investigations of the Committee on Energy and Commerce, House of Representatives, One Hundred First Congress, first session, May 15, 1989. U.S. G.P.O..

Chicago Style (17th ed.) Citation

United States. Congress. House. Committee on Energy and Commerce. Subcommittee on Oversight and Investigations and ProQuest (Firm). Ozone Layer Depletion: Hearing Before the Subcommittee on Oversight and Investigations of the Committee on Energy and Commerce, House of Representatives, One Hundred First Congress, First Session, May 15, 1989. Washington: U.S. G.P.O., 1990.

MLA (9th ed.) Citation

United States. Congress. House. Committee on Energy and Commerce. Subcommittee on Oversight and Investigations and ProQuest (Firm). Ozone Layer Depletion: Hearing Before the Subcommittee on Oversight and Investigations of the Committee on Energy and Commerce, House of Representatives, One Hundred First Congress, First Session, May 15, 1989. U.S. G.P.O., 1990.