APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

Brown, Lester R. World on the Edge: How to Prevent Environmental and Economic Collapse. First Edition. W.W. Norton, 2011.