APA (7th ed.) Citation

George, F. H. (1966). An introduction to digital computing. Pergamon.

Chicago Style (17th ed.) Citation

George, F. H. An Introduction to Digital Computing. Oxford, New York [etc]: Pergamon, 1966.

MLA (8th ed.) Citation

George, F. H. An Introduction to Digital Computing. Pergamon, 1966.

Warning: These citations may not always be 100% accurate.