APA (7th ed.) Citation
Oppenheim, A. V., & Schafer, R. W. (1989). Discrete-Time. Signal Processing. Prentice Hall International.
Chicago Style (17th ed.) Citation
Oppenheim, Alan V., and Ronald W. Schafer. Discrete-Time. Signal Processing. Englewood Cliffs: Prentice Hall International, 1989.
MLA (9th ed.) Citation
Oppenheim, Alan V., and Ronald W. Schafer. Discrete-Time. Signal Processing. Prentice Hall International, 1989.
Warning: These citations may not always be 100% accurate.