APA (7th ed.) Citation

Willamette National Forest (Agency : U.S.). (2015). Christmas tree harvest map (Revised 9/15.). U.S. Department of Agriculture, U.S. Forest Service.

Chicago Style (17th ed.) Citation

Willamette National Forest (Agency : U.S.). Christmas Tree Harvest Map. Revised 9/15. [Springfield, Oregon]: U.S. Department of Agriculture, U.S. Forest Service, 2015.

MLA (9th ed.) Citation

Willamette National Forest (Agency : U.S.). Christmas Tree Harvest Map. Revised 9/15. U.S. Department of Agriculture, U.S. Forest Service, 2015.

Warning: These citations may not always be 100% accurate.