APA (7th ed.) Citation

Ryan, D. (2012). Understanding Digital Marketing (2nd.). Kogan Page.

Chicago Style (17th ed.) Citation

Ryan, Damian. Understanding Digital Marketing. 2nd. Kogan Page, 2012.

MLA (9th ed.) Citation

Ryan, Damian. Understanding Digital Marketing. 2nd. Kogan Page, 2012.

Warning: These citations may not always be 100% accurate.