APA (7th ed.) Citation

Oppenheim Alan V., Willsky Alan S., & Nawab S. Hamid. (1997). Signals and systems (2nd ed.). Prentice Hall.

Chicago Style (17th ed.) Citation

Oppenheim Alan V., Willsky Alan S., and Nawab S. Hamid. Signals and Systems. 2nd ed. Prentice Hall, 1997.

MLA (8th ed.) Citation

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