APA Style

Cormier, S. et al (c2009). Interviewing and change strategies for helpers : fundamental skills and cognitive behavioral interventions (6th ed.). Australia: Brooks/Cole Cengage Learning.

MLA Style

Cormier, Sherry. et al. "Interviewing and change strategies for helpers : fundamental skills and cognitive behavioral interventions". 6th ed. Australia: Brooks/Cole Cengage Learning, c2009. Text.