Sill, W. H., & Sill, W. H. (1982). Plant protection: An integrated interdisciplinary approach (1. edition --.). Ames, Iowa: Iowa State University Press.
Chicago Style CitationSill, Webster H., and Webster H. Sill. Plant Protection: An Integrated Interdisciplinary Approach. 1. edition --. Ames, Iowa: Iowa State University Press, 1982.
MLA CitationSill, Webster H., and Webster H. Sill. Plant Protection: An Integrated Interdisciplinary Approach. 1. edition --. Ames, Iowa: Iowa State University Press, 1982.
Warning: These citations may not always be 100% accurate.