APA (7th ed.) Citation

United States. Bureau of Dairy Industry. (1928). Dairy herd-improvement association letter. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Bureau of Dairy Industry. Dairy Herd-improvement Association Letter. [Washington]: [publisher not identified], 1928.

MLA (9th ed.) Citation

United States. Bureau of Dairy Industry. Dairy Herd-improvement Association Letter. [publisher not identified], 1928.

Warning: These citations may not always be 100% accurate.