APA (7th ed.) Citation

Brown, J. P. (2019). Heartwood taper in Northern Red Oak (Quercus rubra L.). U.S. Forest Service.

Chicago Style (17th ed.) Citation

Brown, John P. Heartwood Taper in Northern Red Oak (Quercus Rubra L.). Newtown Square, PA: U.S. Forest Service, 2019.

MLA (9th ed.) Citation

Brown, John P. Heartwood Taper in Northern Red Oak (Quercus Rubra L.). U.S. Forest Service, 2019.