APA (7th ed.) Citation

Pacific Northwest Research Station (Portland, Or.). (2008). Pacific Northwest oak communities. United States Dept. of Agriculture, Forest Service, Pacific Northwest Research Station.

Chicago Style (17th ed.) Citation

Pacific Northwest Research Station (Portland, Or.). Pacific Northwest Oak Communities. [Portland, Or.?]: United States Dept. of Agriculture, Forest Service, Pacific Northwest Research Station, 2008.

MLA (9th ed.) Citation

Pacific Northwest Research Station (Portland, Or.). Pacific Northwest Oak Communities. United States Dept. of Agriculture, Forest Service, Pacific Northwest Research Station, 2008.