APA (7th ed.) Citation

Laidly, P. R., & Barse, R. G. (1979). Spacing affects knot surface in red pine plantations. Dept. of Agriculture, Forest Service, North Central Forest Experiment Station.

Chicago Style (17th ed.) Citation

Laidly, Paul R., and Robert G. Barse. Spacing Affects Knot Surface in Red Pine Plantations. St. Paul, Minn.: Dept. of Agriculture, Forest Service, North Central Forest Experiment Station, 1979.

MLA (9th ed.) Citation

Laidly, Paul R., and Robert G. Barse. Spacing Affects Knot Surface in Red Pine Plantations. Dept. of Agriculture, Forest Service, North Central Forest Experiment Station, 1979.