APA (7th ed.) Citation

Pacific Northwest Research Station (Portland, Or.), Northwest Forest Plan (U.S.), & Davis, R. J. (2011). Northwest forest plan, the first 15 years (1994-2008): Status and trends of northern spotted owl populations and habitats. U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station.

Chicago Style (17th ed.) Citation

Pacific Northwest Research Station (Portland, Or.), Northwest Forest Plan (U.S.), and Raymond J. Davis. Northwest Forest Plan, the First 15 Years (1994-2008): Status and Trends of Northern Spotted Owl Populations and Habitats. Portland, Or.: U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station, 2011.

MLA (9th ed.) Citation

Pacific Northwest Research Station (Portland, Or.), et al. Northwest Forest Plan, the First 15 Years (1994-2008): Status and Trends of Northern Spotted Owl Populations and Habitats. U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station, 2011.