Não informado. (1967). Health consequences of smoking. Health Services and Mental Health Administration.
Style de citation Chicago (17e éd.)Não informado. Health Consequences of Smoking. Washington: Health Services and Mental Health Administration, 1967.
Style de citation MLA (8e éd.)Não informado. Health Consequences of Smoking. Health Services and Mental Health Administration, 1967.
Attention : ces citations peuvent ne pas être correctes à 100%.