Peterson, C. N. (2012). The guardian poplar: A memoir of deep roots, journey, and rediscovery. University of Utah Press.
Lua i Stíl Chicago (17ú heag.)Peterson, Chase N. The Guardian Poplar: A Memoir of Deep Roots, Journey, and Rediscovery. Salt Lake City: University of Utah Press, 2012.
Lua MLA (9ú heag.)Peterson, Chase N. The Guardian Poplar: A Memoir of Deep Roots, Journey, and Rediscovery. University of Utah Press, 2012.
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