Não informado. (1889). Bulletin of the Virginia Agricultural Experiment Station. Virginia Polytechnic Institute.
Style de citation Chicago (17e éd.)Não informado. Bulletin of the Virginia Agricultural Experiment Station. Blacksburg, Va: Virginia Polytechnic Institute, 1889.
Style de citation MLA (8e éd.)Não informado. Bulletin of the Virginia Agricultural Experiment Station. Virginia Polytechnic Institute, 1889.
Attention : ces citations peuvent ne pas être correctes à 100%.