Não informado. (1943). Canadian Journal of Public Health. Canadian Public Health Association.
Cita Chicago Style (17a ed.)Não informado. Canadian Journal of Public Health. Ottawa: Canadian Public Health Association, 1943.
Cita MLA (8a ed.)Não informado. Canadian Journal of Public Health. Canadian Public Health Association, 1943.
Precaución: Estas citas no son 100% exactas.