APA (7 वां संस्करण) प्रशस्ति पत्र

Pennington, M. B. (1987). Thomas Merton, brother monk: The quest for true freedom. Harper & Row.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Pennington, M. Basil. Thomas Merton, Brother Monk: The Quest for True Freedom. San Francisco: Harper & Row, 1987.

एमएलए (8वां संस्करण) प्रशस्ति पत्र

Pennington, M. Basil. Thomas Merton, Brother Monk: The Quest for True Freedom. Harper & Row, 1987.