Citazione Stile APA (7a Edizione)

Fry, W. E. (1982). Principles of plant disease management.: Willam E. Fry. Academic Press.

Citazione stile Chigago Style (17a edizione)

Fry, William E. Principles of Plant Disease Management.: Willam E. Fry. San, Diego: Academic Press, 1982.

Citatione MLA (9a ed.)

Fry, William E. Principles of Plant Disease Management.: Willam E. Fry. Academic Press, 1982.