Hair, D. (1963). Economic importance of timber in the United States. U.S. Department of Agriculture, Forest Service.
Citação do estilo Chicago (17ª ed.)Hair, Dwight. Economic Importance of Timber in the United States. Washington: U.S. Department of Agriculture, Forest Service, 1963.
Citação MLA (9ª ed.)Hair, Dwight. Economic Importance of Timber in the United States. U.S. Department of Agriculture, Forest Service, 1963.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.