APA (7th ed.) Citation

Harms, W. R., & Langdon, O. G. (1977). Competition-density effects in a loblolly pine seedling stand. Dept. of Agriculture, Forest Service, Southeastern Forest Experiment Station.

Chicago Style (17th ed.) Citation

Harms, William R., and O. Gordon Langdon. Competition-density Effects in a Loblolly Pine Seedling Stand. Asheville, N.C.: Dept. of Agriculture, Forest Service, Southeastern Forest Experiment Station, 1977.

MLA (9th ed.) Citation

Harms, William R., and O. Gordon Langdon. Competition-density Effects in a Loblolly Pine Seedling Stand. Dept. of Agriculture, Forest Service, Southeastern Forest Experiment Station, 1977.