Washington State University, Washington (State). Department of Agriculture, & United States. Department of Agriculture. Crop protection guide for tree fruits in Washington. Washington State University Extension.
Cita Chicago Style (17a ed.)Washington State University, Washington (State). Department of Agriculture, y United States. Department of Agriculture. Crop Protection Guide for Tree Fruits in Washington. Pullman, WA: Washington State University Extension.
Cita MLA (8a ed.)Washington State University, et al. Crop Protection Guide for Tree Fruits in Washington. Washington State University Extension.
Precaución: Estas citas no son 100% exactas.