APA (7th ed.) Citation

Silen, R. R. (1982). Nitrogen, corn, and forest genetics: The agricultural yield strategy-implications for Douglas-fir management. U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station.

Chicago Style (17th ed.) Citation

Silen, Roy R. Nitrogen, Corn, and Forest Genetics: The Agricultural Yield Strategy-implications for Douglas-fir Management. Portland, Or.: U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station, 1982.

MLA (9th ed.) Citation

Silen, Roy R. Nitrogen, Corn, and Forest Genetics: The Agricultural Yield Strategy-implications for Douglas-fir Management. U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station, 1982.