APA استشهاد

Ashby, W. (1956). Introduction to cybernetics. Chapman & hall.

استشهاد بنمط شيكاغو

Ashby, W.R. Introduction to Cybernetics. London: Chapman & hall, 1956.

MLA استشهاد

Ashby, W.R. Introduction to Cybernetics. Chapman & hall, 1956.