Cita APA (7a ed.)

Ashby, W. R. (1971). An introduction to cybernetics. Chapman and Hall and University paperbacks.

Cita Chicago Style (17a ed.)

Ashby, William Ross. An Introduction to Cybernetics. [London]: Chapman and Hall and University paperbacks, 1971.

Cita MLA (9a ed.)

Ashby, William Ross. An Introduction to Cybernetics. Chapman and Hall and University paperbacks, 1971.