APA (7th ed.) Citation

Dickson, J. G. (1942). Scab of wheat and barley and its control. [publisher not identified].

Chicago Style (17th ed.) Citation

Dickson, James G. Scab of Wheat and Barley and Its Control. [Place of publication not identified]: [publisher not identified], 1942.

MLA (9th ed.) Citation

Dickson, James G. Scab of Wheat and Barley and Its Control. [publisher not identified], 1942.