APA Style

Manolakis, D, G., Proakis, J, G. (2007). Digital Signal Processing: Principles, Algorithms and Applications. Fourth Edition (Fourth Edition). New Jersey: Prentice Hall.

MLA Style

Manolakis, Dimitris, G., Proakis, John, G. "Digital Signal Processing: Principles, Algorithms and Applications. Fourth Edition". Fourth Edition New Jersey: Prentice Hall, 2007. Text.