APA (7th ed.) Citation

(2005). Status and trends of northern spotted owl populations and habitat. U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station.

Chicago Style (17th ed.) Citation

Status and Trends of Northern Spotted Owl Populations and Habitat. Portland, Oregon: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station, 2005.

MLA (9th ed.) Citation

Status and Trends of Northern Spotted Owl Populations and Habitat. U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station, 2005.