Allen, H. (2021). Out and back: A runner's story of survival against all odds. Blue Star Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रAllen, Hillary. Out and Back: A Runner's Story of Survival Against All Odds. Bend, OR: Blue Star Press, 2021.
एमएलए (8वां संस्करण) प्रशस्ति पत्रAllen, Hillary. Out and Back: A Runner's Story of Survival Against All Odds. Blue Star Press, 2021.
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