APA (7th ed.) Citation

North Central Forest Experiment Station (Saint Paul, Minn.), & Plantinga, A. (1989). Timberland area change in the Lake States: Past trends, causes, and projections. U.S. Dept. of Agriculture, Forest Service, North Central Forest Experiment Station.

Chicago Style (17th ed.) Citation

North Central Forest Experiment Station (Saint Paul, Minn.), and Andrew Plantinga. Timberland Area Change in the Lake States: Past Trends, Causes, and Projections. St. Paul, Minn.: U.S. Dept. of Agriculture, Forest Service, North Central Forest Experiment Station, 1989.

MLA (9th ed.) Citation

North Central Forest Experiment Station (Saint Paul, Minn.), and Andrew Plantinga. Timberland Area Change in the Lake States: Past Trends, Causes, and Projections. U.S. Dept. of Agriculture, Forest Service, North Central Forest Experiment Station, 1989.