Blackstock, P. W., Hoselitz, B. F., Marx, K., & Engels, F. (1952). The Russian menace to Europe: A collection of articles, speeches, letters, and news dispatches, by Karl Marx and Friedrich Engels. Free Press.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Blackstock, Paul W., Berthold Frank Hoselitz, Karl Marx, و Friedrich Engels. The Russian Menace to Europe: A Collection of Articles, Speeches, Letters, and News Dispatches, by Karl Marx and Friedrich Engels. Glencoe, Ill: Free Press, 1952.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Blackstock, Paul W., et al. The Russian Menace to Europe: A Collection of Articles, Speeches, Letters, and News Dispatches, by Karl Marx and Friedrich Engels. Free Press, 1952.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.