United States. Forest Service. Pacific Northwest Region. (1983). Hells Canyon National Recreation Area: Administered by Wallowa-Whitman National Forest. The Region.
Chicago Style (17th ed.) CitationUnited States. Forest Service. Pacific Northwest Region. Hells Canyon National Recreation Area: Administered by Wallowa-Whitman National Forest. Portland, Or.: The Region, 1983.
MLA (9th ed.) CitationUnited States. Forest Service. Pacific Northwest Region. Hells Canyon National Recreation Area: Administered by Wallowa-Whitman National Forest. The Region, 1983.
Warning: These citations may not always be 100% accurate.