Norbert Wiener: Cybernetics, or the Control and Communication in the Animal and the Machine (1948–) [EN, RU, IT]

“Acclaimed as one of the ‘seminal books … comparable in ultimate importance to … Galileo or Malthus or Rousseau or Mill’, Cybernetics was judged by twenty-seven historians, economists, educators, and philosophers to be one of those books published during the ‘past four decades,’ which may have a substantial impact on public thought and action in the years ahead.”—Saturday Review

First published by Hermann & Cie, Paris, 1948.

Second edition
Publisher MIT Press, 1961
Fourth printing, 1985
ISBN 026273009X, 9780262730099
212 pages

Wikipedia
Publisher

Cybernetics, or the Control and Communication in the Animal and the Machine (English, 2nd ed., 1948/1961, PDF, DJVU, updated on 2015-12-6)
Kibernetika, ili upravlenie i svyaz v zhivotnom i mashine (Russian, trans. G.N. Povarov, 1958, DJVU, added on 2021-4-8)
La cibernetica: controllo e comunicazione nell’animale e nella macchina (Italian, trans. Giampaolo Barosso, 1968/1982, added on 2021-4-8)

See also Monoskop resource on Cybernetics.