APA (7th ed.) Citation

Gabel, R. A., & Roberts, R. A. (1980). Signals and linear systems (2.ed.). Wiley.

Chicago Style (17th ed.) Citation

Gabel, Robert A., and Richard A. Roberts. Signals and Linear Systems. 2.ed. New York: Wiley, 1980.

MLA (9th ed.) Citation

Gabel, Robert A., and Richard A. Roberts. Signals and Linear Systems. 2.ed. Wiley, 1980.