APA (7th ed.) Citation

Frank, R. M., & Bjorkbom, J. C. (1973). A silvicultural guide for spruce-fir in the northeast. Forest Service, U.S. Dept. of Agriculture, Northeastern Forest Experiment Station.

Chicago Style (17th ed.) Citation

Frank, Robert M., and John C. Bjorkbom. A Silvicultural Guide for Spruce-fir in the Northeast. Upper Darby, Pa.: Forest Service, U.S. Dept. of Agriculture, Northeastern Forest Experiment Station, 1973.

MLA (9th ed.) Citation

Frank, Robert M., and John C. Bjorkbom. A Silvicultural Guide for Spruce-fir in the Northeast. Forest Service, U.S. Dept. of Agriculture, Northeastern Forest Experiment Station, 1973.