Não informado. (1913). Supplement to the Public Health Reports. U.S. Public Health Service.
Citação do estilo Chicago (17ª ed.)Não informado. Supplement to the Public Health Reports. Washington: U.S. Public Health Service, 1913.
Citação MLA (8ª ed.)Não informado. Supplement to the Public Health Reports. U.S. Public Health Service, 1913.
Atenció: Aquestes cites poden no estar 100% correctes.