APA (7th ed.) Citation

Visser, M., Sikkenga, B., & Berry, M. Digital marketing fundamentals: From strategy to ROI (2nd edition.).

Chicago Style (17th ed.) Citation

Visser, Marjolein, Berend Sikkenga, and Mike Berry. Digital Marketing Fundamentals: From Strategy to ROI. 2nd edition.

MLA (9th ed.) Citation

Visser, Marjolein, et al. Digital Marketing Fundamentals: From Strategy to ROI. 2nd edition.