Klingaman, W. K., & Klingaman, N. P. (2013). The year without summer: 1816 and the volcano that darkened the world and changed history. St. Martin's Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रKlingaman, William K., और Nicholas P. Klingaman. The Year Without Summer: 1816 and the Volcano That Darkened the World and Changed History. New York: St. Martin's Press, 2013.
एमएलए (8वां संस्करण) प्रशस्ति पत्रKlingaman, William K., और Nicholas P. Klingaman. The Year Without Summer: 1816 and the Volcano That Darkened the World and Changed History. St. Martin's Press, 2013.
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