Howe, N., & Strauss, W. (2023). The fourth turning is here: What the seasons of history tell us about how and when this crisis will end (First Simon & Schuster hardcover edition.). Simon & Schuster.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Howe, Neil, و William Strauss. The Fourth Turning Is Here: What the Seasons of History Tell Us About How and When This Crisis Will End. First Simon & Schuster hardcover edition. New York, NY: Simon & Schuster, 2023.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Howe, Neil, و William Strauss. The Fourth Turning Is Here: What the Seasons of History Tell Us About How and When This Crisis Will End. First Simon & Schuster hardcover edition. Simon & Schuster, 2023.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.