APA

Knott J. E., . (1957). Handbook of vegetable grower. New York: Wiley.

Chicago

Knott James Edward, . 1957. Handbook of vegetable grower. New York: Wiley.

Harvard

Knott J. E., . (1957). Handbook of vegetable grower. New York: Wiley.

MLA

Knott James Edward, . Handbook of vegetable grower. New York: Wiley. 1957.