APA (7 वां संस्करण) प्रशस्ति पत्र

Campbell, D., & Cayce, C. T. (1989). Edgar Cayce on the power of color, stones, and crystals (Warner Books edition.). Warner Books.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Campbell, Dan, और Charles Thomas Cayce. Edgar Cayce on the Power of Color, Stones, and Crystals. Warner Books edition. New York: Warner Books, 1989.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Campbell, Dan, और Charles Thomas Cayce. Edgar Cayce on the Power of Color, Stones, and Crystals. Warner Books edition. Warner Books, 1989.