Não informado. (1921). Entomological bulletin. Department of Science and Agriculture.
Style de citation Chicago (17e éd.)Não informado. Entomological Bulletin. Kingston: Department of Science and Agriculture, 1921.
Style de citation MLA (8e éd.)Não informado. Entomological Bulletin. Department of Science and Agriculture, 1921.
Attention : ces citations peuvent ne pas être correctes à 100%.