APA Style

Proakis, J, G., Manolakis, D, G. (2009). Digital Signal Processing Principles, Algorithms and Applications (4th Edition). New Delhi: PEARSON EDUCATION.

MLA Style

Proakis, John, G.., Manolakis, Dimitris, G.. "Digital Signal Processing Principles, Algorithms and Applications". 4th Edition New Delhi: PEARSON EDUCATION, 2009. Text.