APA (7th ed.) Citation

Wickman, B. E. (1981). Degree-day accumulation related to the phenology of Douglas-fir tussock moth and white fir during five seasons of monitoring in southern Oregon. U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station.

Chicago Style (17th ed.) Citation

Wickman, Boyd E. Degree-day Accumulation Related to the Phenology of Douglas-fir Tussock Moth and White Fir During Five Seasons of Monitoring in Southern Oregon. Portland, Or.: U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station, 1981.

MLA (9th ed.) Citation

Wickman, Boyd E. Degree-day Accumulation Related to the Phenology of Douglas-fir Tussock Moth and White Fir During Five Seasons of Monitoring in Southern Oregon. U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station, 1981.