APA (7th ed.) Citation

Proakis, J. G., & Salehi, M. (2008). Digital communications (5th. ed.). McGraw-Hill.

Chicago Style (17th ed.) Citation

Proakis, John G., and Masoud Salehi. Digital Communications. 5th. ed. Boston [etc.]: McGraw-Hill, 2008.

MLA (9th ed.) Citation

Proakis, John G., and Masoud Salehi. Digital Communications. 5th. ed. McGraw-Hill, 2008.