APA (7th ed.) Citation

(2009). South Dakota's forests. United States Department of Agriculture, Forest Service, Northern Research Station.

Chicago Style (17th ed.) Citation

South Dakota's Forests. Newtown Square, PA: United States Department of Agriculture, Forest Service, Northern Research Station, 2009.

MLA (9th ed.) Citation

South Dakota's Forests. United States Department of Agriculture, Forest Service, Northern Research Station, 2009.