APA Style

Couch, Leon W.. (2007). Digital and analog communication systems (Seventh Edition). New Jersey: Pearson Education.

Chicago Style

Couch, Leon W.. Digital and analog communication systems. Seventh Edition New Jersey: Pearson Education, 2007. Text.

MLA Style

Couch, Leon W.. Digital and analog communication systems. Seventh Edition New Jersey: Pearson Education, 2007. Text.

Turabian Style

Couch, Leon W.. Digital and analog communication systems. Seventh Edition New Jersey: Pearson Education, 2007. Print.