APA (7th ed.) Citation

Couch, L. W. (1987). Digital and analog communication systems (2. ed., 2. print.). Macmillan.

Chicago Style (17th ed.) Citation

Couch, Leon W. Digital and Analog Communication Systems. 2. ed., 2. print. New York [u.a.]: Macmillan, 1987.

MLA (9th ed.) Citation

Couch, Leon W. Digital and Analog Communication Systems. 2. ed., 2. print. Macmillan, 1987.