APA (7th ed.) Citation

Oppenheim, A. V., Willsky, A., & Nawab, S. H. (1997). Signals and systems (2nd edition.). Prentice-Hall.

Chicago Style (17th ed.) Citation

Oppenheim, Alan V., Alan Willsky, and Syed Hamid Nawab. Signals and Systems. 2nd edition. Upper Saddle River: Prentice-Hall, 1997.

MLA (8th ed.) Citation

Oppenheim, Alan V., et al. Signals and Systems. 2nd edition. Prentice-Hall, 1997.