APA (7th ed.) Citation

Åström, K. J., & Hägglund, T. (1988). Automatic tuning of PID controllers. Instrument Society of America.

Chicago Style (17th ed.) Citation

Åström, Karl J., and Tore Hägglund. Automatic Tuning of PID Controllers. Research Triangle Park, NC: Instrument Society of America, 1988.

MLA (9th ed.) Citation

Åström, Karl J., and Tore Hägglund. Automatic Tuning of PID Controllers. Instrument Society of America, 1988.