APA Citation

BROWN, L. R. State of the World 1990: A worldwatch institute report on progress toward a sustainable social. W.W Norton & Co.

Chicago Style Citation

BROWN, Lester R. State of the World 1990: A Worldwatch Institute Report On Progress Toward a Sustainable Social. W.W Norton & Co.

MLA Citation

BROWN, Lester R. State of the World 1990: A Worldwatch Institute Report On Progress Toward a Sustainable Social. W.W Norton & Co.

Warning: These citations may not always be 100% accurate.