APA (7th ed.) Citation

Wiens, J. D. (2019). Effects of Barred Owl (Strix varia) removal on population demography of Northern Spotted Owls (Strix occidentalis caurina) in Washington and Oregon, 2015-18. U.S. Department of the Interior, U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Wiens, J. David. Effects of Barred Owl (Strix Varia) Removal on Population Demography of Northern Spotted Owls (Strix Occidentalis Caurina) in Washington and Oregon, 2015-18. Reston, Virginia: U.S. Department of the Interior, U.S. Geological Survey, 2019.

MLA (9th ed.) Citation

Wiens, J. David. Effects of Barred Owl (Strix Varia) Removal on Population Demography of Northern Spotted Owls (Strix Occidentalis Caurina) in Washington and Oregon, 2015-18. U.S. Department of the Interior, U.S. Geological Survey, 2019.