Cita APA

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

Citación estilo Chicago

Oppenheim, Alan V., Alan S. Willsky, and Syed Hamid Nawab. Signals & Systems. 2nd ed. Upper Saddle River, N.J.: Prentice Hall, 1997.

Cita MLA

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