Não informado. (1951). Cooperative economic insect report. U.S. Department of Agriculture, Agricultural Research Service, Plant Protection Division.
Cita Chicago Style (17a ed.)Não informado. Cooperative Economic Insect Report. Washington: U.S. Department of Agriculture, Agricultural Research Service, Plant Protection Division, 1951.
Cita MLA (8a ed.)Não informado. Cooperative Economic Insect Report. U.S. Department of Agriculture, Agricultural Research Service, Plant Protection Division, 1951.
Precaución: Estas citas no son 100% exactas.