United States. Department of Agriculture. (1931). Reliability of tuberculin test. GPO.
Chicago Style (17th ed.) CitationUnited States. Department of Agriculture. Reliability of Tuberculin Test. [Washington]: GPO, 1931.
MLA (9th ed.) CitationUnited States. Department of Agriculture. Reliability of Tuberculin Test. GPO, 1931.
Warning: These citations may not always be 100% accurate.