George, H. (1979). Progress and poverty: An inquiry into the cause of industrial depression and of increase of want with increase of wealth the remedy. The Modern Library.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)George, Henry. Progress and Poverty: An Inquiry into the Cause of Industrial Depression and of Increase of Want with Increase of Wealth the Remedy. New York: The Modern Library, 1979.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)George, Henry. Progress and Poverty: An Inquiry into the Cause of Industrial Depression and of Increase of Want with Increase of Wealth the Remedy. The Modern Library, 1979.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.