APA (7th ed.) Citation

United States. Forest Service. (2018). Santiam Pass OHV trail system map, Willamette National Forest: Family focused recreation in the High Cascades. United States, Forest Service.

Chicago Style (17th ed.) Citation

United States. Forest Service. Santiam Pass OHV Trail System Map, Willamette National Forest: Family Focused Recreation in the High Cascades. [Washington, D.C.]: United States, Forest Service, 2018.

MLA (9th ed.) Citation

United States. Forest Service. Santiam Pass OHV Trail System Map, Willamette National Forest: Family Focused Recreation in the High Cascades. United States, Forest Service, 2018.