APA (7th ed.) Citation

Gay, R., Charlesworth, A., & Esen, R. (2007). Online marketing: A customer-led approach. Oxford University Press.

Chicago Style (17th ed.) Citation

Gay, Richard, Alan Charlesworth, and Rita Esen. Online Marketing: A Customer-led Approach. Oxfrod: Oxford University Press, 2007.

MLA (8th ed.) Citation

Gay, Richard, et al. Online Marketing: A Customer-led Approach. Oxford University Press, 2007.