APA (7th ed.) Citation

Radwan, M. A., DeBell, D. S., & Wilcox, J. E. (1990). Influence of family and nitrogen fertilizer on growth and nutrition of Western Hemlock seedlings. U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station.

Chicago Style (17th ed.) Citation

Radwan, M. A., Dean S. DeBell, and J. E. Wilcox. Influence of Family and Nitrogen Fertilizer on Growth and Nutrition of Western Hemlock Seedlings. Portland, Or. (319 S.W. Pine St., P.O.Box 3890, Portland 97208): U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station, 1990.

MLA (9th ed.) Citation

Radwan, M. A., et al. Influence of Family and Nitrogen Fertilizer on Growth and Nutrition of Western Hemlock Seedlings. U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station, 1990.