Putnam, R. D., & Garrett, S. R. (2020). The upswing: How America came together a century ago and how we can do it again (First Simon & Schuster hardcover edition.). Simon & Schuster.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPutnam, Robert D., और Shaylyn Romney Garrett. The Upswing: How America Came Together a Century Ago and How We Can Do It Again. First Simon & Schuster hardcover edition. New York: Simon & Schuster, 2020.
एमएलए (8वां संस्करण) प्रशस्ति पत्रPutnam, Robert D., और Shaylyn Romney Garrett. The Upswing: How America Came Together a Century Ago and How We Can Do It Again. First Simon & Schuster hardcover edition. Simon & Schuster, 2020.
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