APA Citation

 Chaffey, D. (2016).  Digital marketing: Strategy, Implementation and Practice.  Pearson.

Chicago Style Citation

 Chaffey, Dave.  Digital Marketing: Strategy, Implementation and Practice.  Pearson, 2016.

MLA Citation

 Chaffey, Dave.  Digital Marketing: Strategy, Implementation and Practice.  Pearson, 2016.

Warning: These citations may not always be 100% accurate.