APA Edition Citation

Chaffey, D., & Smith, P. R. (2017). Digital marketing excellence: Planning, optimizing and integrating online marketing (Fifth edition.). Routledge.

Chicago Edition Citation

Chaffey, Dave, and P. R. Smith. Digital Marketing Excellence: Planning, Optimizing and Integrating Online Marketing. Fifth edition. London : |: Routledge, 2017.

MLA Edition Citation

Chaffey, Dave, and P. R. Smith. Digital Marketing Excellence: Planning, Optimizing and Integrating Online Marketing. Fifth edition. Routledge, 2017.