APA

United States, . (1999). Reformulated gasoline: hearing before the Subcommittee on Health and Environment of the Committee on Commerce, House of Representatives ; One Hundred Sixth Congress, first session ; on H.R. 11 ; May 6, 1999. Washington: U.S. Government Printing Office.

Chicago

United States, . 1999. Reformulated gasoline: hearing before the Subcommittee on Health and Environment of the Committee on Commerce, House of Representatives ; One Hundred Sixth Congress, first session ; on H.R. 11 ; May 6, 1999. Washington: U.S. Government Printing Office.

Harvard

United States, . (1999). Reformulated gasoline: hearing before the Subcommittee on Health and Environment of the Committee on Commerce, House of Representatives ; One Hundred Sixth Congress, first session ; on H.R. 11 ; May 6, 1999. Washington: U.S. Government Printing Office.

MLA

United States, . Reformulated gasoline: hearing before the Subcommittee on Health and Environment of the Committee on Commerce, House of Representatives ; One Hundred Sixth Congress, first session ; on H.R. 11 ; May 6, 1999. Washington: U.S. Government Printing Office. 1999.