APA (7 वां संस्करण) प्रशस्ति पत्र

Phelps, W. M. (2014). Nathan hale: The life and death of america's first spy. ForeEdge.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Phelps, William M. Nathan Hale: The Life and Death of America's First Spy. Lebanon, New Hampshire: ForeEdge, 2014.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Phelps, William M. Nathan Hale: The Life and Death of America's First Spy. ForeEdge, 2014.