American Public Health Association. (1971). American journal of public health. American Public Health Association.
Cita Chicago Style (17a ed.)American Public Health Association. American Journal of Public Health. Washington, DC: American Public Health Association, 1971.
Cita MLA (9a ed.)American Public Health Association. American Journal of Public Health. American Public Health Association, 1971.
Precaución: Estas citas no son 100% exactas.