United States. Bureau of Dairy Industry. (1933). Analysis of the advanced registry records of 611 daughters of 51 Ayrshire sires. [s.n.].
Chicago Style (17th ed.) CitationUnited States. Bureau of Dairy Industry. Analysis of the Advanced Registry Records of 611 Daughters of 51 Ayrshire Sires. [Washington]: [s.n.], 1933.
MLA (9th ed.) CitationUnited States. Bureau of Dairy Industry. Analysis of the Advanced Registry Records of 611 Daughters of 51 Ayrshire Sires. [s.n.], 1933.
Warning: These citations may not always be 100% accurate.