Rietveld, W. J. (1976). Cone maturation in ponderosa pine foliage scorched by wildfire. Dept. of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station.
Chicago Style (17th ed.) CitationRietveld, W. J. Cone Maturation in Ponderosa Pine Foliage Scorched by Wildfire. [Fort Collins, Colo.]: Dept. of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station, 1976.
MLA (9th ed.) CitationRietveld, W. J. Cone Maturation in Ponderosa Pine Foliage Scorched by Wildfire. Dept. of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station, 1976.
Warning: These citations may not always be 100% accurate.