APA (7th ed.) Citation

United States. Forest Service, Geospatial Service and Technology Center, United States. Forest Service. Pacific Northwest Region, & Mt. Hood National Forest. (2006). Salmon-Huckleberry Wilderness, Bull of the Woods Wilderness, Opal Creek Wilderness, Opal Creek Scenic Recreation Area, Mt. Hood National Forest, Willamette National Forest: Oregon, 2006. Pacific Northwest Region, USDA, Forest Service.

Chicago Style (17th ed.) Citation

United States. Forest Service, Geospatial Service and Technology Center, United States. Forest Service. Pacific Northwest Region, and Mt. Hood National Forest. Salmon-Huckleberry Wilderness, Bull of the Woods Wilderness, Opal Creek Wilderness, Opal Creek Scenic Recreation Area, Mt. Hood National Forest, Willamette National Forest: Oregon, 2006. [Portland, Or.]: Pacific Northwest Region, USDA, Forest Service, 2006.

MLA (8th ed.) Citation

United States. Forest Service, et al. Salmon-Huckleberry Wilderness, Bull of the Woods Wilderness, Opal Creek Wilderness, Opal Creek Scenic Recreation Area, Mt. Hood National Forest, Willamette National Forest: Oregon, 2006. Pacific Northwest Region, USDA, Forest Service, 2006.