Transportation of hazardous materials :
hearing before a subcommittee of the Committee on Government Operations, House of Representatives, Ninety-first Congress, first session, September 19, 1969.

APA Citation

United States. Congress. House. Committee on Government Operations. Government Activities Subcommittee. (1969). Transportation of hazardous materials: hearing before a subcommittee of the Committee on Government Operations, House of Representatives, Ninety-first Congress, first session, September 19, 1969. Washington: U.S. G.P.O..

MLA Citation

United States. Congress. House. Committee on Government Operations. Government Activities Subcommittee. Transportation of Hazardous Materials: Hearing Before a Subcommittee of the Committee On Government Operations, House of Representatives, Ninety-first Congress, First Session, September 19, 1969. Washington: U.S. G.P.O., 1969.

Warning: These citations may not always be complete (especially for serials).