APA Style

Proakis, J, G., Salehi, M. (2014). Fundamentals of Communication Systems. Second Global Edition (Second Global Edition). Harlow, Essex: Pearson Education Limited.

MLA Style

Proakis, John, G., Salehi, Masoud. "Fundamentals of Communication Systems. Second Global Edition". Second Global Edition Harlow, Essex: Pearson Education Limited, 2014. Text.