Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (8a ed.)

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

Precaución: Estas citas no son 100% exactas.