Não informado. (1942). Plant science literature. U.S. Department of Agriculture, Bureau of Plant Industry.
Style de citation Chicago (17e éd.)Não informado. Plant Science Literature. Washington: U.S. Department of Agriculture, Bureau of Plant Industry, 1942.
Style de citation MLA (8e éd.)Não informado. Plant Science Literature. U.S. Department of Agriculture, Bureau of Plant Industry, 1942.
Attention : ces citations peuvent ne pas être correctes à 100%.