APA (7th ed.) Citation

Chaffey, D., & Smith, P. R. (2013). Emarketing Excellence: Planning and optimizing your digital marketing (4. ed.). Routledge.

Chicago Style (17th ed.) Citation

Chaffey, Dave, and Paul R. Smith. Emarketing Excellence: Planning and Optimizing Your Digital Marketing. 4. ed. London [u.a.]: Routledge, 2013.

MLA (9th ed.) Citation

Chaffey, Dave, and Paul R. Smith. Emarketing Excellence: Planning and Optimizing Your Digital Marketing. 4. ed. Routledge, 2013.