APA (7 वां संस्करण) प्रशस्ति पत्र

Klaus, G. (1970). Was ist. Was soll. Kybernetik. Urania Verlag.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Klaus, Georg. Was Ist. Was Soll. Kybernetik. Leipzig: Urania Verlag, 1970.

एमएलए (8वां संस्करण) प्रशस्ति पत्र

Klaus, Georg. Was Ist. Was Soll. Kybernetik. Urania Verlag, 1970.