APA Style

Cutlip, S, M. et al (2011, 2009). Effective Public Relations (Ed.9, Cet. 3--Cet.4). Kencana: Prenada Media Group.

MLA Style

Cutlip, Scott, M.. et al. "Effective Public Relations". Ed.9, Cet. 3--Cet.4 Kencana: Prenada Media Group, 2011, 2009. Text.