Citazione Stile APA (7a Edizione)

Klaus, G. (1971). Was ist. Was soll. Kybernetik. Urania Verlag.

Citazione stile Chigago Style (17a edizione)

Klaus, Georg. Was Ist. Was Soll. Kybernetik. Leipzig: Urania Verlag, 1971.

Citatione MLA (8a ed.)

Klaus, Georg. Was Ist. Was Soll. Kybernetik. Urania Verlag, 1971.