APA Citation

(1990). Forest decline attributed to air pollutants in Europe in 1988. New York: United Nations.

Chicago Style Citation

Forest Decline Attributed to Air Pollutants in Europe in 1988. New York: United Nations, 1990.

MLA Citation

Forest Decline Attributed to Air Pollutants in Europe in 1988. New York: United Nations, 1990.

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