APA (7th ed.) Citation

Bjorkbom, J. C. (1967). Seedbed-preparation methods for paper birch. Northeastern Forest Experiment Station, Forest Service, U.S. Dept. of Agriculture.

Chicago Style (17th ed.) Citation

Bjorkbom, John C. Seedbed-preparation Methods for Paper Birch. Upper Darby, Pa.: Northeastern Forest Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1967.

MLA (9th ed.) Citation

Bjorkbom, John C. Seedbed-preparation Methods for Paper Birch. Northeastern Forest Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1967.