Citazione Stile APA (7a Edizione)

Whitney, E. D., & Duffus, J. E. (1995). Compendium of beet diseases and insects (3a. ed.). APS.

Citazione stile Chigago Style (17a edizione)

Whitney, E. D., e James E. Duffus. Compendium of Beet Diseases and Insects. 3a. ed. Minneapolis: APS, 1995.

Citatione MLA (9a ed.)

Whitney, E. D., e James E. Duffus. Compendium of Beet Diseases and Insects. 3a. ed. APS, 1995.