APA (7th ed.) Citation

Haykin, S. (2005). Communication systems (4th ed.). John Wiley.

Chicago Style (17th ed.) Citation

Haykin, Simon. Communication Systems. 4th ed. New York: John Wiley, 2005.

MLA (9th ed.) Citation

Haykin, Simon. Communication Systems. 4th ed. John Wiley, 2005.