APA (7th ed.) Citation

United States. Bureau of Agricultural Economics. (1927). Official standards of U.S. for inspection and certification of hay. U.S. GPO.

Chicago Style (17th ed.) Citation

United States. Bureau of Agricultural Economics. Official Standards of U.S. for Inspection and Certification of Hay. Washington: U.S. GPO, 1927.

MLA (9th ed.) Citation

United States. Bureau of Agricultural Economics. Official Standards of U.S. for Inspection and Certification of Hay. U.S. GPO, 1927.