(1999). State of the world 1999: A worldwatch Institute report on progress toward a sustainable society. New York: Norton.
Chicago Style CitationState of the World 1999: A Worldwatch Institute Report On Progress Toward a Sustainable Society. New York: Norton, 1999.
MLA CitationState of the World 1999: A Worldwatch Institute Report On Progress Toward a Sustainable Society. New York: Norton, 1999.
Warning: These citations may not always be 100% accurate.