APA (7th ed.) Citation

Petruzella, F. D. (1991). Programmable logic controllers. Glencoe.

Chicago Style (17th ed.) Citation

Petruzella, Frank D. Programmable Logic Controllers. Lake Forest, Ill. u.a: Glencoe, 1991.

MLA (9th ed.) Citation

Petruzella, Frank D. Programmable Logic Controllers. Glencoe, 1991.