APA (7th ed.) Citation

American Phytopathological Society, Mahaffee, W. F., Pethybridge, S. J., & Gent, D. H. (2009). Compendium of hop diseases and pests. APS Press.

Chicago Style (17th ed.) Citation

American Phytopathological Society, Walter F. Mahaffee, Sarah J. Pethybridge, and David H. Gent. Compendium of Hop Diseases and Pests. St. Paul, Minn.: APS Press, 2009.

MLA (9th ed.) Citation

American Phytopathological Society, et al. Compendium of Hop Diseases and Pests. APS Press, 2009.