Não informado. (1881). Public health bulletin. U.S. Public Health Service.
Chicago Style (17th ed.) CitationNão informado. Public Health Bulletin. Washington: U.S. Public Health Service, 1881.
MLA (8th ed.) CitationNão informado. Public Health Bulletin. U.S. Public Health Service, 1881.
Warning: These citations may not always be 100% accurate.