Não informado. (1967). Health consequences of smoking. Health Services and Mental Health Administration.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Não informado. Health Consequences of Smoking. Washington: Health Services and Mental Health Administration, 1967.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Não informado. Health Consequences of Smoking. Health Services and Mental Health Administration, 1967.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.