Não informado. (1967). Health consequences of smoking. Health Services and Mental Health Administration.
Cita Chicago Style (17a ed.)Não informado. Health Consequences of Smoking. Washington: Health Services and Mental Health Administration, 1967.
Cita MLA (8a ed.)Não informado. Health Consequences of Smoking. Health Services and Mental Health Administration, 1967.
Precaución: Estas citas no son 100% exactas.