APA引文

United States. Congress. Senate. Committee on Public Works. Subcommittee on Air and Water Pollution. (1970). Water pollution--1970: Hearings, Ninety-first Congress, second session, on S.3687, S.3468, S.3470, S.3471, S.3472, S.3181, S.3484, S.3500, S.3507, S.3614, S.3688, and S.3697 .. U.S. Govt. Print. Off..

Chicago Style (17th ed.) Citation

United States. Congress. Senate. Committee on Public Works. Subcommittee on Air and Water Pollution. Water Pollution--1970: Hearings, Ninety-first Congress, Second Session, on S.3687, S.3468, S.3470, S.3471, S.3472, S.3181, S.3484, S.3500, S.3507, S.3614, S.3688, and S.3697 .. Washington: U.S. Govt. Print. Off., 1970.

MLA引文

United States. Congress. Senate. Committee on Public Works. Subcommittee on Air and Water Pollution. Water Pollution--1970: Hearings, Ninety-first Congress, Second Session, on S.3687, S.3468, S.3470, S.3471, S.3472, S.3181, S.3484, S.3500, S.3507, S.3614, S.3688, and S.3697 .. U.S. Govt. Print. Off., 1970.