APA (7th ed.) Citation

Oppenheim & Schafer. (1975). Digital signal processing. Prentice Hall.

Chicago Style (17th ed.) Citation

Oppenheim and Schafer. Digital Signal Processing. New Jersey: Prentice Hall, 1975.

MLA (9th ed.) Citation

Oppenheim and Schafer. Digital Signal Processing. Prentice Hall, 1975.

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