APA (7th ed.) Citation

Oppenhein, A. V., & Schafer, R. W. (1989). Discrete-time signal processing. Prentice-Hall International.

Chicago Style (17th ed.) Citation

Oppenhein, Alan V., and Ronald W. Schafer. Discrete-time Signal Processing. Englewood Cliffs, N.J: Prentice-Hall International, 1989.

MLA (9th ed.) Citation

Oppenhein, Alan V., and Ronald W. Schafer. Discrete-time Signal Processing. Prentice-Hall International, 1989.