American Phytopathological Society, Kommedahl, T., & Williams, P. H. (1983). Challenging problems in plant health. American Phytopathological Society.
Chicago Style (17th ed.) CitationAmerican Phytopathological Society, Thor Kommedahl, and Paul H. Williams. Challenging Problems in Plant Health. St. Paul, Minn.: American Phytopathological Society, 1983.
MLA (9th ed.) CitationAmerican Phytopathological Society, et al. Challenging Problems in Plant Health. American Phytopathological Society, 1983.
Warning: These citations may not always be 100% accurate.