Cita APA (7th ed.)

STATE. (1992). State of the world 1992: A worldwatch institute reporton progress toward a sustainable society. WW Norton and co.

Cita Chicago (17th ed.)

STATE. State of the World 1992: A Worldwatch Institute Reporton Progress Toward a Sustainable Society. New York: WW Norton and co, 1992.

Cita MLA (9th ed.)

STATE. State of the World 1992: A Worldwatch Institute Reporton Progress Toward a Sustainable Society. WW Norton and co, 1992.