APA (7th ed.) Citation

Phillips, C. L., & Harbor, R. D. Feedback control systems (4th ed.).

Chicago Style (17th ed.) Citation

Phillips, Charles L., and Royce D. Harbor. Feedback Control Systems. 4th ed.

MLA (8th ed.) Citation

Phillips, Charles L., and Royce D. Harbor. Feedback Control Systems. 4th ed.

Warning: These citations may not always be 100% accurate.