O'Neil, C. L. (2025). Postmortem: What survives the John Wayne Gacy murders. Citadel Press, Kensington Publishing Corp..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रO'Neil, Courtney Lund. Postmortem: What Survives the John Wayne Gacy Murders. New York, NY: Citadel Press, Kensington Publishing Corp., 2025.
एमएलए (8वां संस्करण) प्रशस्ति पत्रO'Neil, Courtney Lund. Postmortem: What Survives the John Wayne Gacy Murders. Citadel Press, Kensington Publishing Corp., 2025.
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