APA (7th ed.) Citation

Davidson, W. H. (1977). Performance of ponderosa pine on bituminous mine spoils in Pennsylvania. Dept. of Agriculture, Forest Service. Northeastern Forest Experiment Station.

Chicago Style (17th ed.) Citation

Davidson, Walter H. Performance of Ponderosa Pine on Bituminous Mine Spoils in Pennsylvania. Upper Darby, Pa.: Dept. of Agriculture, Forest Service. Northeastern Forest Experiment Station, 1977.

MLA (9th ed.) Citation

Davidson, Walter H. Performance of Ponderosa Pine on Bituminous Mine Spoils in Pennsylvania. Dept. of Agriculture, Forest Service. Northeastern Forest Experiment Station, 1977.