APA (7th ed.) Citation

Proakis, J. G. (1989). Digital communications / John G. Proakis (2nd ed.). McGraw-Hill.

Chicago Style (17th ed.) Citation

Proakis, John G. Digital Communications / John G. Proakis. 2nd ed. New York ; London: McGraw-Hill, 1989.

MLA (9th ed.) Citation

Proakis, John G. Digital Communications / John G. Proakis. 2nd ed. McGraw-Hill, 1989.

Warning: These citations may not always be 100% accurate.