APA (7th ed.) Citation

(1929). Distribution of classes and varieties of wheat in U.S. [publisher not identified].

Chicago Style (17th ed.) Citation

Distribution of Classes and Varieties of Wheat in U.S. [Washington]: [publisher not identified], 1929.

MLA (9th ed.) Citation

Distribution of Classes and Varieties of Wheat in U.S. [publisher not identified], 1929.