APA (7 वां संस्करण) प्रशस्ति पत्र

Kelly James Clark. (1993). Philosophers who believe: The spiritual journeys of 11 leading thinkers. IVP.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Kelly James Clark. Philosophers Who Believe: The Spiritual Journeys of 11 Leading Thinkers. Illinois: IVP, 1993.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Kelly James Clark. Philosophers Who Believe: The Spiritual Journeys of 11 Leading Thinkers. IVP, 1993.