APA (7th ed.) Citation

United States. Bureau of Dairy Industry. (1939). List of sires proved in dairy herd improvement associations, 1939. [s.n.].

Chicago Style (17th ed.) Citation

United States. Bureau of Dairy Industry. List of Sires Proved in Dairy Herd Improvement Associations, 1939. [Washington]: [s.n.], 1939.

MLA (9th ed.) Citation

United States. Bureau of Dairy Industry. List of Sires Proved in Dairy Herd Improvement Associations, 1939. [s.n.], 1939.

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