MLA

Wakerly, John F. Digital Design : Principles and Practices. 4th edition Upper Saddle River: Pearson, 2006.

APA

Wakerly, J. F. (2006). Digital design : principles and practices. 4th edition Upper Saddle River: Pearson.

Chicago

Wakerly, John F., Digital Design: Principles and Practices. 4th edition Upper Saddle River: Pearson, 2006.