United States. Department of Health, Education, and Welfare. (1924). Tuberculosis survey of island of Porto Rico, Oct. 11, 1922, to Apr. 18, 1923. GPO.
Chicago Style (17th ed.) CitationUnited States. Department of Health, Education, and Welfare. Tuberculosis Survey of Island of Porto Rico, Oct. 11, 1922, to Apr. 18, 1923. [Washington]: GPO, 1924.
MLA (9th ed.) CitationUnited States. Department of Health, Education, and Welfare. Tuberculosis Survey of Island of Porto Rico, Oct. 11, 1922, to Apr. 18, 1923. GPO, 1924.
Warning: These citations may not always be 100% accurate.