APA način citiranja (7. izdanje)

Gabel, R. A., & Roberts , R. A. . .. (1987). Signals and linear systems (3rd ed.). Wiley.

Čikaški stil citiranja (17. izdanje)

Gabel, Robert A., i Richard A. Roberts. Signals and Linear Systems. 3rd ed. New York: Wiley, 1987.

MLA način citiranja (9. izdanje)

Gabel, Robert A., i Richard A. Roberts. Signals and Linear Systems. 3rd ed. Wiley, 1987.