APA (7th ed.) Citation

National Acid Precipitation Assessment Program (U.S.), Canada. Environment Canada, Acid Rain Foundation, & Symposium: Effects of Air Pollutants on Forest Ecosystems. (1985). Air pollutants effects on forest ecosystems, May 8-9, 1985, St. Paul, MN. The Foundation.

Chicago Style (17th ed.) Citation

National Acid Precipitation Assessment Program (U.S.), Canada. Environment Canada, Acid Rain Foundation, and Symposium: Effects of Air Pollutants on Forest Ecosystems. Air Pollutants Effects on Forest Ecosystems, May 8-9, 1985, St. Paul, MN. St. Paul, MN (1630 Blackhawk Hills, St. Paul 55122): The Foundation, 1985.

MLA (9th ed.) Citation

National Acid Precipitation Assessment Program (U.S.), et al. Air Pollutants Effects on Forest Ecosystems, May 8-9, 1985, St. Paul, MN. The Foundation, 1985.