APA (7th ed.) Citation

Dorf, R. C. (1980). Modern control systems (3d ed.). Addison-Wesley.

Chicago Style (17th ed.) Citation

Dorf, Richard C. Modern Control Systems. 3d ed. Reading, Mass.: Addison-Wesley, 1980.

MLA (9th ed.) Citation

Dorf, Richard C. Modern Control Systems. 3d ed. Addison-Wesley, 1980.