APA (7th ed.) Citation

Hadfield, J. S., & Region, U. S. F. S. P. N. (1986). Root diseases in Oregon and Washington conifers. USDA Forest Service, Pacific Northwest Region Forest Pest Management.

Chicago Style (17th ed.) Citation

Hadfield, James S., and United States. Forest Service. Pacific Northwest Region. Root Diseases in Oregon and Washington Conifers. USDA Forest Service, Pacific Northwest Region Forest Pest Management, 1986.

MLA (8th ed.) Citation

Hadfield, James S., and United States. Forest Service. Pacific Northwest Region. Root Diseases in Oregon and Washington Conifers. USDA Forest Service, Pacific Northwest Region Forest Pest Management, 1986.

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