APA (7th ed.) Citation

Shigo, A. L. (1963). Ring shake associated with sapsucker injury. Northeastern Forest Experiment Station, Forest Service, U.S. Department of Agriculture.

Chicago Style (17th ed.) Citation

Shigo, Alex L. Ring Shake Associated with Sapsucker Injury. Upper Darby, PA: Northeastern Forest Experiment Station, Forest Service, U.S. Department of Agriculture, 1963.

MLA (9th ed.) Citation

Shigo, Alex L. Ring Shake Associated with Sapsucker Injury. Northeastern Forest Experiment Station, Forest Service, U.S. Department of Agriculture, 1963.