APA (7th ed.) Citation

Phillips, C. L., & Harbor, R. D. (1991). Feedback control systems (2. ed.). Prentice Hall.

Chicago Style (17th ed.) Citation

Phillips, Charles L., and Royce D. Harbor. Feedback Control Systems. 2. ed. Englewood Cliffs, NJ: Prentice Hall, 1991.

MLA (9th ed.) Citation

Phillips, Charles L., and Royce D. Harbor. Feedback Control Systems. 2. ed. Prentice Hall, 1991.