APA引文

Louis Harris and Associates. (1970). The Public's view of environmental problems in the state of Washington. s.n.].

Chicago Style (17th ed.) Citation

Louis Harris and Associates. The Public's View of Environmental Problems in the State of Washington. [New York?: s.n.], 1970.

MLA引文

Louis Harris and Associates. The Public's View of Environmental Problems in the State of Washington. s.n.], 1970.

警告：這些引文格式不一定是100％准確.