Ulrich, M., & Verner, A. (2019). Running on empty: An ultramarathoner's story of love, loss, and a record-setting run across america (Unabridged.). Tantor Media.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रUlrich, Marshall, और Adam Verner. Running on Empty: An Ultramarathoner's Story of Love, Loss, and a Record-setting Run Across America. Unabridged. Old Saybrook: Tantor Media, 2019.
एमएलए (8वां संस्करण) प्रशस्ति पत्रUlrich, Marshall, और Adam Verner. Running on Empty: An Ultramarathoner's Story of Love, Loss, and a Record-setting Run Across America. Unabridged. Tantor Media, 2019.
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