APA (7th ed.) Citation

Johnson, C. G. (2004). Alpine and subalpine vegetation of the Wallowa, Seven Devils, and Blue Mountains. USDA Forest Service, Pacific Northwest Region.

Chicago Style (17th ed.) Citation

Johnson, Charles G. Alpine and Subalpine Vegetation of the Wallowa, Seven Devils, and Blue Mountains. [Baker City, Or.?]: USDA Forest Service, Pacific Northwest Region, 2004.

MLA (9th ed.) Citation

Johnson, Charles G. Alpine and Subalpine Vegetation of the Wallowa, Seven Devils, and Blue Mountains. USDA Forest Service, Pacific Northwest Region, 2004.