United States. Department of Agriculture. Office of the Secretary. (1919). Tuberculosis eradication under accredited-herd plan: Herd List No. 2. List of herds officially accredited as free from tuberculosis and of herds that have passed successfully one test with view to certification. U.S. GPO.
Chicago Style (17th ed.) CitationUnited States. Department of Agriculture. Office of the Secretary. Tuberculosis Eradication Under Accredited-herd Plan: Herd List No. 2. List of Herds Officially Accredited as Free from Tuberculosis and of Herds That Have Passed Successfully One Test with View to Certification. Washington: U.S. GPO, 1919.
MLA (9th ed.) CitationUnited States. Department of Agriculture. Office of the Secretary. Tuberculosis Eradication Under Accredited-herd Plan: Herd List No. 2. List of Herds Officially Accredited as Free from Tuberculosis and of Herds That Have Passed Successfully One Test with View to Certification. U.S. GPO, 1919.