Washington State University & Washington (State). Department of Agriculture. (1971). Washington pest control handbook. Washington State University [and] Washington State Dept. of Agriculture.
Cita Chicago Style (17a ed.)Washington State University y Washington (State). Department of Agriculture. Washington Pest Control Handbook. [Pullman?]: Washington State University [and] Washington State Dept. of Agriculture, 1971.
Cita MLA (8a ed.)Washington State University y Washington (State). Department of Agriculture. Washington Pest Control Handbook. Washington State University [and] Washington State Dept. of Agriculture, 1971.
Precaución: Estas citas no son 100% exactas.