APA (7th ed.) Citation

Dykstra, D. P. (1975). Production rates and costs for cable, balloon, and helicopter yarding systems in old-growth Douglas-fir. Forest Research Laboratory, School of Forestry, Oregon State Univ.

Chicago Style (17th ed.) Citation

Dykstra, Dennis P. Production Rates and Costs for Cable, Balloon, and Helicopter Yarding Systems in Old-growth Douglas-fir. Corvallis, Or: Forest Research Laboratory, School of Forestry, Oregon State Univ, 1975.

MLA (9th ed.) Citation

Dykstra, Dennis P. Production Rates and Costs for Cable, Balloon, and Helicopter Yarding Systems in Old-growth Douglas-fir. Forest Research Laboratory, School of Forestry, Oregon State Univ, 1975.