Klaus, G., Liebscher, H., & Seyferth, H. (1971). Was ist. Was soll. Kybernetik (8. Auflage, 74.-87. Tausend.). Urania Verlag.
Citação do estilo Chicago (17ª ed.)Klaus, Georg, Heinz Liebscher, e Hasso Seyferth. Was Ist. Was Soll. Kybernetik. 8. Auflage, 74.-87. Tausend. Leipzig ; Jena ; Berlin: Urania Verlag, 1971.
Citação MLA (8ª ed.)Klaus, Georg, et al. Was Ist. Was Soll. Kybernetik. 8. Auflage, 74.-87. Tausend. Urania Verlag, 1971.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.