Não informado. (1911). American Journal of Public Health. American Public Health Association.
Chicago-Zitierstil (17. Ausg.)Não informado. American Journal of Public Health. New York: American Public Health Association, 1911.
MLA-Zitierstil (8. Ausg.)Não informado. American Journal of Public Health. American Public Health Association, 1911.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.