Peterson, B. (2017). Wolf nation: The life, death, and return of wild American wolves (First Da Capo Press edition.). Da Capo Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPeterson, Brenda. Wolf Nation: The Life, Death, and Return of Wild American Wolves. First Da Capo Press edition. Boston, MA: Da Capo Press, 2017.
एमएलए (8वां संस्करण) प्रशस्ति पत्रPeterson, Brenda. Wolf Nation: The Life, Death, and Return of Wild American Wolves. First Da Capo Press edition. Da Capo Press, 2017.
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