APA (7th ed.) Citation

Couch, L. W. (2001). Digital and analog communication systems (Sixth edition.). Prentice Hall.

Chicago Style (17th ed.) Citation

Couch, Leon W. Digital and Analog Communication Systems. Sixth edition. Upper Saddle River: Prentice Hall, 2001.

MLA (8th ed.) Citation

Couch, Leon W. Digital and Analog Communication Systems. Sixth edition. Prentice Hall, 2001.