APA (7 वां संस्करण) प्रशस्ति पत्र
Thorson, R. M. (2014). Walden's shore: Henry David Thoreau and nineteenth-century science. Harvard University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Thorson, Robert M. Walden's Shore: Henry David Thoreau and Nineteenth-century Science. Cambridge, Massachusetts ; London, England: Harvard University Press, 2014.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Thorson, Robert M. Walden's Shore: Henry David Thoreau and Nineteenth-century Science. Harvard University Press, 2014.
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