APA Edition Citation

Chaffey, D., & Smith, P. R. (2017). Digital marketing excellence: Planning, optimizing and integrating online marketing (5th ed.). Routledge.

Chicago Edition Citation

Chaffey, Dave, and P. R. Smith. Digital Marketing Excellence: Planning, Optimizing and Integrating Online Marketing. 5th ed. London: Routledge, 2017.

MLA Edition Citation

Chaffey, Dave, and P. R. Smith. Digital Marketing Excellence: Planning, Optimizing and Integrating Online Marketing. 5th ed. Routledge, 2017.