APA

Sherf A. F., . (1986). Vegetable diseases and their control. New York: John wiley & sons.

Chicago

Sherf Arden F, . 1986. Vegetable diseases and their control. New York: John wiley & sons.

Harvard

Sherf A. F., . (1986). Vegetable diseases and their control. New York: John wiley & sons.

MLA

Sherf Arden F, . Vegetable diseases and their control. New York: John wiley & sons. 1986.