Forest Inventory and Analysis Program (U.S.). Washington's forest resources. United States Department of Agriculture, Forest Service, Pacific Northwest Research Station.
Chicago Style (17th ed.) CitationForest Inventory and Analysis Program (U.S.). Washington's Forest Resources. Portland, OR: United States Department of Agriculture, Forest Service, Pacific Northwest Research Station.
MLA (9th ed.) CitationForest Inventory and Analysis Program (U.S.). Washington's Forest Resources. United States Department of Agriculture, Forest Service, Pacific Northwest Research Station.
Warning: These citations may not always be 100% accurate.