APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

Oppenheim, Alan V., Alan S. Willsky, and S. Hamid Nawab. Signals and Systems. 2nd ed. New Delhi, India: Prentice-Hall, 1997.

MLA (9th ed.) Citation

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