APA (7th ed.) Citation

Ashby, W. R. (1956). An introduction to cybernetics. John Wiley.

Chicago Style (17th ed.) Citation

Ashby, W. Ross. An Introduction to Cybernetics. Nueva York: John Wiley, 1956.

MLA (9th ed.) Citation

Ashby, W. Ross. An Introduction to Cybernetics. John Wiley, 1956.