APA Style

PHILLIPS, D., YOUNG, P. (2009). Online public relations: a practical guide to developing an online strategy in the world of social media (2nd ed.). London: Kogan Page.

MLA Style

PHILLIPS, David., YOUNG, Philip. "Online public relations: a practical guide to developing an online strategy in the world of social media". 2nd ed. London: Kogan Page, 2009. E-Book.