APA citiranje

Brown, L. R. (2011). World on the edge: How to prevent environmental and economic collapse. New York: W. W. Norton.

Trích dẫn kiểu Chicago

Brown, Lester R. World On the Edge: How to Prevent Environmental and Economic Collapse. New York: W. W. Norton, 2011.

MLA citiranje

Brown, Lester R. World On the Edge: How to Prevent Environmental and Economic Collapse. New York: W. W. Norton, 2011.