APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

Ashby, William Ross. An Introduction to Cybernetics. New York: J. Wiley, 1956.

MLA (9th ed.) Citation

Ashby, William Ross. An Introduction to Cybernetics. J. Wiley, 1956.