Cita APA (7a ed.)

Haykin, S. S. (2001). Communication systems (4th ed.). John Wiley & Sons.

Cita Chicago Style (17a ed.)

Haykin, Simon S. Communication Systems. 4th ed. New York [etc.]: John Wiley & Sons, 2001.

Cita MLA (9a ed.)

Haykin, Simon S. Communication Systems. 4th ed. John Wiley & Sons, 2001.