APA (7th ed.) Citation

Swainston, F. (1991). A systems approach to programmable controllers. Delmar Publishers.

Chicago Style (17th ed.) Citation

Swainston, Fred. A Systems Approach to Programmable Controllers. Albany, N.Y.: Delmar Publishers, 1991.

MLA (9th ed.) Citation

Swainston, Fred. A Systems Approach to Programmable Controllers. Delmar Publishers, 1991.