Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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