APA aipamena

Mahaffee Walter F, Pethybridge Sarah J, & Gent David H. (2009). Compendium of hop diseases and pests. American Phytopathological Society.

Chicago Style aipamena

Mahaffee Walter F, Pethybridge Sarah J, and Gent David H. Compendium of Hop Diseases and Pests. USA: American Phytopathological Society, 2009.

MLA aipamena

Mahaffee Walter F, et al. Compendium of Hop Diseases and Pests. American Phytopathological Society, 2009.