Não informado. (2022). USDA Forest Service Research Paper RM. Rocky Mountain Forest and Range Experiment Station.
Citação do estilo Chicago (17ª ed.)Não informado. USDA Forest Service Research Paper RM. Fort Collins, Colo: Rocky Mountain Forest and Range Experiment Station, 2022.
Citação MLA (8ª ed.)Não informado. USDA Forest Service Research Paper RM. Rocky Mountain Forest and Range Experiment Station, 2022.
警告：這些引文格式不一定是100％准確.