APA (7th ed.) Citation

Crispin, A. J. (1997). Programmable logic controllers and their engineering applications (2nd edition.). The McGraw-Hill Companies.

Chicago Style (17th ed.) Citation

Crispin, Alan J. Programmable Logic Controllers and Their Engineering Applications. 2nd edition. London: The McGraw-Hill Companies, 1997.

MLA (8th ed.) Citation

Crispin, Alan J. Programmable Logic Controllers and Their Engineering Applications. 2nd edition. The McGraw-Hill Companies, 1997.