APA (7th ed.) Citation

(2007). Pennsylvania's forests. United States Department of Agriculture, Forest Service, Northern Research Station.

Chicago Style (17th ed.) Citation

Pennsylvania's Forests. [Newtown Square, Pa.]: United States Department of Agriculture, Forest Service, Northern Research Station, 2007.

MLA (9th ed.) Citation

Pennsylvania's Forests. United States Department of Agriculture, Forest Service, Northern Research Station, 2007.