APA Style

Ingle, V, K., Proakis, J, G. (2017). Digital signal processing using MATLAB® : a problem solving companion. Fourth Edition (Fourth Edition). Boston: Cengage Learning.

MLA Style

Ingle, Vinay, K.., Proakis, John, G.. "Digital signal processing using MATLAB® : a problem solving companion. Fourth Edition". Fourth Edition Boston: Cengage Learning, 2017. Text.