APA (7th ed.) Citation

Leukel, R. W. (1938). Wheat smuts and their control. [publisher not identified].

Chicago Style (17th ed.) Citation

Leukel, R. W. Wheat Smuts and Their Control. [Place of publication not identified]: [publisher not identified], 1938.

MLA (9th ed.) Citation

Leukel, R. W. Wheat Smuts and Their Control. [publisher not identified], 1938.