Richardson, B. W. Sanitation and the prevention of disease: Being chapter V. of the work entitled "Biological experimentation". Social Purity Alliance.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Richardson, Benjamin Ward. Sanitation and the Prevention of Disease: Being Chapter V. of the Work Entitled "Biological Experimentation". Westminster: Social Purity Alliance.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Richardson, Benjamin Ward. Sanitation and the Prevention of Disease: Being Chapter V. of the Work Entitled "Biological Experimentation". Social Purity Alliance.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.