APA (7th ed.) Citation

Ledig, F. T., & Porterfield, R. L. (1981). West Coast tree improvement programs: A break-even, cost-benefit analysis. U.S. Dept. of Agriculture, Forest Service, Pacific Southwest Forest and Range Experiment Station.

Chicago Style (17th ed.) Citation

Ledig, F. Thomas, and Richard L. Porterfield. West Coast Tree Improvement Programs: A Break-even, Cost-benefit Analysis. Berkeley, Calif.: U.S. Dept. of Agriculture, Forest Service, Pacific Southwest Forest and Range Experiment Station, 1981.

MLA (9th ed.) Citation

Ledig, F. Thomas, and Richard L. Porterfield. West Coast Tree Improvement Programs: A Break-even, Cost-benefit Analysis. U.S. Dept. of Agriculture, Forest Service, Pacific Southwest Forest and Range Experiment Station, 1981.